Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers (CVE-2026-63041)
Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX. This vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly. This issue affects Apache APISIX: from 3.11.0 through 3.17.0. Users are recommended to upgrade to version 3.18.0, which fixes the issue.
Apache APISIX: attach-consumer-label does not strip client-supplied consumer-label headers (CVE-2026-63041)
Description
Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX. This vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly. This issue affects Apache APISIX: from 3.11.0 through 3.17.0. Users are recommended to upgrade to version 3.18.0, which fixes the issue.
Affected software
Weaknesses
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-h244-w3g4-3cv4
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-63041"]
- Ecosystems
- []
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Threat ID: 6a91a876acd9273b49069d28
Added to database: 08/28/2026, 15:25:42 UTC
Last updated: 08/29/2026, 00:51:59 UTC
Views: 5
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