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CVE-2026-94212

Apache APISIX: unauthenticated impersonation issue in saml-auth

MEDIUM
6.4
CVSS Score
Published: October 1, 2026 at 11:01 AM UTC
Updated: October 1, 2026 at 03:17 PM UTC
1 product affected across 1 vendorApisix

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Severity
MEDIUM6.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Improper verification of cryptographic signature vulnerability in Apache APISIX. Any unauthenticated attacker could impersonate any user on every route protected by the saml-auth plugin under default configuration. This issue affects Apache APISIX: from 3.17.0 through 3.18.0. Users are recommended to upgrade to version 3.19.0, which fixes the issue.

Affected

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

Apisix· Apache
60%
3.17.0 ≤ v ≤ 3.18.03.17.0

Remediation

No guide yet

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

Patch and advisory references

References (2)

Vendor Advisory
Source: cverecord
https://lists.apache.org/thread.html/1230fnojnmc7bfz3n0nkt7tkcld9d1sc
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/10/01/4

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

6.4MEDIUMapache
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-347

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