CVE-2026-94276CWE-287

CVE-2026-94276

published October 1, 2026

CVSS
5.1
EPSS
0%
Percentile
41.1
In the wild
Unconfirmed
What it is

Improper Authentication vulnerability in Apache APISIX.

On a route using openid-connect plugin with remote introspection against an authorization server that serves multiple issuers, a token that introspects as active for one issuer may get accepted on a route restricted to another. This issue affects Apache APISIX: from 3.12.0 through 3.18.0.

Users are recommended to upgrade to version 3.19.0, which fixes the issue.

The record
Technical detail
CVSS
5.1 · NONE
CVSS v4.0
5.1 · CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N
EPSS
0.00488 · 41.1th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-10-01T16:17Z
References (2)
https://lists.apache.org/thread.html/txn3br25kl657fh15rwcy1oht1xbpyyk · [email protected]http://www.openwall.com/lists/oss-security/2026/10/01/8 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 03 OCT 03:47Z
    EPSS moved — → 0%
    epss
  • 01 OCT 11:02Z
    Apache APISIX: Openid-connect introspection validation issue
    cvelistv5