All vulnerabilities
CVE-2026-94269

Apache APISIX: Servlet-style normalization creates a route/upstream authorization mismatch

Apache Software Foundation Apache APISIX
CVSS
6.3Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.42%Chance of exploitation activity in the next 30 days, higher than 35% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published1 Oct 2026Updated 1 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

Use of Non-Canonical URL paths for authorization decisions vulnerability in Apache APISIX.

In some configurations where a permissive route overlaps a protected one, a crafted encoded path can reach an upstream endpoint that the matched route's policies were never meant to cover. A request that should have been rejected is served instead, giving unauthenticated access to a protected upstream endpoint. This issue affects Apache APISIX: from 2.14.1 through 3.18.0.

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

Text from CVE List

Affected versions 1

  • Apache APISIXaffected: 2.14.1 through 3.18.0CVE List

References 1