OpenClaw < 2026.2.22 - Redirect Chain Bypass of Media Host Allowlist in MSTeams Attachment Handling
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 2.3epss 0.2%
exploitation probability
0.2%top 93% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L
Affected products
OpenClaw · OpenClawReferences
https://github.com/openclaw/openclaw/commit/73d93dee64127a26f1acd09d0403b794cdeb4f5chttps://github.com/openclaw/openclaw/commit/b34097f62df9d1960cc22600269cd3f3284e2124https://github.com/openclaw/openclaw/security/advisories/GHSA-w76h-8m22-hpghhttps://www.vulncheck.com/advisories/openclaw-redirect-chain-bypass-of-media-host-allowlist-in-msteams-attachment-handling