CVE-2026-32037: OpenClaw < 2026.2.22 - Redirect Chain Bypass of Media Host Allowlist in MSTeams Attachment Handling

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-19 · updated 2026-06-17
Weakness: CWE-918

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.

Affected products

OpenClaw: before 2026.2.22 — fixed in 2026.2.22

How to fix

Upgrade to a fixed version: OpenClaw 2026.2.22. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/73d93dee64127a26f1acd09d0403b794cdeb4f5c
https://github.com/openclaw/openclaw/commit/b34097f62df9d1960cc22600269cd3f3284e2124
https://github.com/openclaw/openclaw/security/advisories/GHSA-w76h-8m22-hpgh
https://www.vulncheck.com/advisories/openclaw-redirect-chain-bypass-of-media-host-allowlist-in-msteams-attachment-handling

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