CVE-2025-12799

Jastow: jastow cross-site scripting attack due to unsanitized uri

MEDIUM
6.5
CVSS Score
Published: July 7, 2026 at 04:18 PM UTC
Updated: September 29, 2026 at 07:10 PM UTC
3 products affected across 1 vendorJBoss Enterprise Application PlatformSingle Sign onJBoss Enterprise Application Platform Expansion Pack

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

A flaw was found in Jastow. Jastow is vulnerable to Cross-Site Scripting (XSS) attack. If using a set of combined configuration to allow unescaped characters in URL with embedded Undertow and Jastow, a server might be vulnerable to improper input handling.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Vendor states this is fixed in 0:0.1.0-2.redhat_00010.1.el10eap (unaffected)
Vendor states this is fixed in 0:0.1.10-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:0.10.0-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:0.8.12-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:0.9.6-2.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:1-9.el10eap (unaffected)
Vendor states this is fixed in 0:1.0.0-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.0.0-2.Final_redhat_1.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.0.0-3.redhat_00009.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.0.1-1.Final_redhat_3.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.0.1-3.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.0.1-4.Final_redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.0.13-4.redhat_5.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.0.3-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.0.4-4.redhat_00005.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.1.0-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.1.0-4.redhat_00007.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.1.1-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.1.3-2.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.1.6-3.redhat_1.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.1.6-5.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.1.7-3.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.11.0-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.14.18-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.17.2-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.2.0-2.redhat_12.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.2.0-4.redhat_00007.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.2.3-1.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.2.5-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.3.0-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.3.1-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.5.0-2.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.5.5-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.6.0-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.6.3-5.redhat_00008.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.7.0-2.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.7.0-2.Final_redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.8.0-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.8.0-3.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.84.0-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.9.0-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.9.0-3.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:1.9.3-4.redhat_00004.1.el10eap (unaffected)
Vendor states this is fixed in 0:10.1.1-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:15.0.21-1.Final_redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:16.1.0-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.0-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.1-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.1-2.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.1-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.1-3.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.1-3.redhat_00004.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.1-5.redhat_00007.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.17-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.2-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.2-1.Final_redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.3-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.4-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.0.4-1.Final_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.0.4-1.Final_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.0.5-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.0-2.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.0-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.0-3.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.0-3.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.0-5.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.1-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.1-3.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.1-5.redhat_00005.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.19-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.3-1.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.3-3.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.4-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.4-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.1.6-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.10.1-2.redhat_00005.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.12.7-1.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.14.0-4.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.16.1-2.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.18.4-1.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.18.4-2.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.2.0-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.2.21-5.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.2.224-4.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.2.3-2.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.2.9-1.SP1_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.2.9-1.SP1_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.2.9-1.SP1_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.23.1-2.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.3.0-1.Final.redhat.00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.3.0-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.3.0-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.3.0-1.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.3.0-2.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.3.0-7.redhat_00010.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.3.24-4.SP3_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.3.24-4.SP3_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.3.24-4.SP3_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:2.30.32-3.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.4.0-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.4.0-1.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.4.0-2.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.4.0-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.4.1-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.4.11-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.40.0-7.redhat_00015.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.5.0-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.6.9-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:2.6.9-1.Final_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:2.6.9-1.Final_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:3.0.0-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.0-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.0-3.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.0-3.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.1-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.1-2.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.18-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.2-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.2-3.redhat_00006.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.3-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.3-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.4-1.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.4-2.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.4-5.redhat_00007.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.5-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.0.5-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.1.0-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.1.0-3.Final_redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.1.0-4.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.1.0-4.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.1.0-5.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.1.1-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.1.12-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.1.4-2.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.1.8-2.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.18.0-2.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.2.0-3.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.2.1-1.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.2.2-28.redhat_2.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.2.7-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.3.2-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.6.1-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.6.2-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.7.19-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:3.8.16-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:33.0.0-3.jre_redhat_00004.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.0.1-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.0.10-3.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.0.10-3.redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:4.0.10-3.redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:4.0.11-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.0.2-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.0.3-2.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.0.4-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.0.6-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.1.0-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.1.132-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.1.2-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.1.2-2.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.1.5-4.redhat_00006.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.13.2-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.2.2-2.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.3.2-2.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.4.16-6.redhat_00011.1.el10eap (unaffected)
Vendor states this is fixed in 0:4.5.14-5.redhat_00016.1.el10eap (unaffected)
Vendor states this is fixed in 0:5.0.0-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:5.0.0-4.SP3_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:5.0.0-6.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:5.0.12-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:5.0.14-2.Final_redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:5.0.31-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:5.0.8-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:5.1.0-2.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:5.1.6-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:6.0.0-6.redhat_00007.1.el10eap (unaffected)
Vendor states this is fixed in 0:6.0.0-8.el10eap (unaffected)
Vendor states this is fixed in 0:6.10.1.202505221210-1.r_redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:6.2.15-1.Final_redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:6.6.50-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:6.6.50-1.Final_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:6.6.50-1.Final_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:7.0.0-1.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:7.0.3-3.Final_redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 0:7.1.2-2.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:7.2.6-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:7.3.8-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:7.3.8-1.Final_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:7.3.8-1.Final_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:8.0.0-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:8.0.0-6.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:8.0.2-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:8.1.1-11.GA_redhat_00019.1.el10eap (unaffected)
Vendor states this is fixed in 0:8.1.1-11.GA_redhat_00019.1.el8eap (unaffected)
Vendor states this is fixed in 0:8.1.1-11.GA_redhat_00019.1.el9eap (unaffected)
Vendor states this is fixed in 0:8.1.7-4.GA_redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:8.1.7-4.GA_redhat_00003.1.el8eap (unaffected)
Vendor states this is fixed in 0:8.1.7-4.GA_redhat_00003.1.el9eap (unaffected)
Vendor states this is fixed in 0:8.15.4-4.redhat_00003.1.el10eap (unaffected)
Vendor states this is fixed in 0:8.6.6-5.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:801.7.0-1.GA_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:801.7.0-1.GA_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 0:801.7.0-1.GA_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 0:9.11.1-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:9.37.3-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 0:9.7.1-3.redhat_00002.1.el10eap (unaffected)
Vendor states this is fixed in 1:2.0.0-2.redhat_00005.1.el10eap (unaffected)
Vendor states this is fixed in 1:3.33.0-1.redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 1:5.3.23-1.Final_redhat_00001.1.el10eap (unaffected)
Vendor states this is fixed in 1:5.3.23-1.Final_redhat_00001.1.el8eap (unaffected)
Vendor states this is fixed in 1:5.3.23-1.Final_redhat_00001.1.el9eap (unaffected)
Vendor states this is fixed in 2.2.9.SP1-redhat-1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB Entryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/security/cve/CVE-2025-12799
Issue Trackingx_refsource_REDHAT
Source: cverecord
https://bugzilla.redhat.com/show_bug.cgi?id=2413071
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:36342
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:36343
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:36344
Vendor Advisoryx_refsource_REDHAT
Source: cverecord
https://access.redhat.com/errata/RHSA-2026:36345

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMredhat
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-79

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