CVE-2026-28814

Apache JSPWiki: Pre-Authentication Arbitrary Wiki Markup Rendering

HIGH

7.5

CVSS Score

Published: July 30, 2026 at 03:55 PM UTC

Updated: October 23, 2026 at 10:10 PM UTC

1 product affected across 1 vendorJspwiki

Using Apache JSPWiki by Apache Software Foundation?

Get instant alerts when new vulnerabilities affect Apache JSPWiki - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.5

Exploit prediction

EPSS 0.7%

SSVC

No known exploit

Description

Arbitrary Wiki Markup rendering due to lack of authentication in Apache JSPWiki up to 2.12.3 allows attacker to obtain sensitive data stored in JSPWiki variables. Users are recommended to upgrade to version 2.12.4 or 3.0.0, which fixes this issue.

Affected

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

Jspwiki · Apache

95%

v < 2.12.4

Affected range stops below 2.12.4, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

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

Patch and advisory references

https://lists.apache.org/thread/8vv0311bvrrqxsyn913pcwf7pctyk52w

References (2)

Vendor AdvisoryMailing List

Source: cverecord

https://lists.apache.org/thread/8vv0311bvrrqxsyn913pcwf7pctyk52w

Mailing ListThird Party Advisory

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.openwall.com/lists/oss-security/2026/07/30/17

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

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

CVSS

7.5HIGHCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-306

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card