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Description

OpenClaw versions prior to 2026.2.22 fail to consistently validate redirect chains against configured mediaAllowHosts allowlists during MSTeams media downloads. Attackers can supply or influence attachment URLs to force redirects to non-allowlisted targets, bypassing SSRF boundary controls.

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




LOW: 2.3CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L

MEDIUM: 6.0CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L

Problem types

CWE-918 Server-Side Request Forgery (SSRF)

Product status

Default status
unaffected

Any version before 2026.2.22
affected

2026.2.22 (semver)
unaffected

Credits

tdjackey reporter

References

github.com/...enclaw/security/advisories/GHSA-w76h-8m22-hpgh (GitHub Security Advisory (GHSA-w76h-8m22-hpgh)) third-party-advisory

github.com/...ommit/73d93dee64127a26f1acd09d0403b794cdeb4f5c (Patch Commit #1) patch

github.com/...ommit/b34097f62df9d1960cc22600269cd3f3284e2124 (Patch Commit #2) patch

www.vulncheck.com/...llowlist-in-msteams-attachment-handling (VulnCheck Advisory: OpenClaw < 2026.2.22 - Redirect Chain Bypass of Media Host Allowlist in MSTeams Attachment Handling) third-party-advisory

cve.org (CVE-2026-32037)

nvd.nist.gov (CVE-2026-32037)

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