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CVE-2026-124680

Apache APISIX: Route-level authentication bypass via path normalization mismatch between routing and upstream forwarding

  • High 7.0

Description

Interpretation Conflict, resulting in (Incorrect Authorization) vulnerability in Apache APISIX. An unauthenticated client can reach upstream paths protected by a route-level auth plugin when a route without auth exists on the same upstream and the upstream does not collapse encoded dot segments. This issue affects Apache APISIX: from 0.9 through 3.19.0. Users are recommended to upgrade to version 3.20.0, which fixes the issue.

Key facts

Published
13 Nov 2026
Last changed
13 Nov 2026
Assigned by
apache
EPSS
0.389% likely to be exploited in the next 30 days, higher than 33.551% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: none; Automatable: no; Technical impact: partial

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.0CVSS 4.0, Highfrom the CNA (apache)CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

No explicit remediation statement is available on this page yet. Consult the original record and vendor references before choosing a fix.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
Apache Software FoundationApache APISIX
  • Default status: unaffected
  • 0.9 up to and including 3.19.0 (affected)

Timeline

  1. 13 Nov 2026 Published

Weakness

References