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Description

OpenClaw versions prior to 2026.2.26 server-http contains an authentication bypass vulnerability in gateway authentication for plugin channel endpoints due to path canonicalization mismatch between the gateway guard and plugin handler routing. Attackers can bypass authentication by sending requests with alternative path encodings to access protected plugin channel APIs without proper gateway authentication.

PUBLISHED Reserved 2026-03-10 | Published 2026-03-19 | Updated 2026-03-20 | Assigner VulnCheck




MEDIUM: 6.3CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

MEDIUM: 4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Problem types

CWE-288: Authentication Bypass Using an Alternate Path or Channel

Product status

Default status
unaffected

Any version before 2026.2.26
affected

2026.2.26 (semver)
unaffected

Credits

tdjackey reporter

References

github.com/...enclaw/security/advisories/GHSA-8j2w-6fmm-m587 (GitHub Security Advisory (GHSA-8j2w-6fmm-m587)) third-party-advisory

www.vulncheck.com/...zation-mismatch-in-api-channels-gateway (VulnCheck Advisory: OpenClaw < 2026.2.26 - Authentication Bypass via Path Canonicalization Mismatch in /api/channels Gateway) third-party-advisory

cve.org (CVE-2026-32031)

nvd.nist.gov (CVE-2026-32031)

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