OpenClaw's MSTeams attachment redirect handling could bypass configured media host allowlists
Summary
In OpenClaw MSTeams media download flows, redirect handling could bypass configured mediaAllowHosts checks in specific attachment paths. Redirect chains were not consistently constrained to allowlisted targets before accepting fetched content.
Affected Packages / Versions
- Package:
openclaw(npm) - Affected versions:
<= 2026.2.21-2(latest published at triage time) - Fixed in:
2026.2.22(planned next release)
Impact
Attackers able to supply or influence attachment URLs could force redirect chains to non-allowlisted targets, weakening SSRF boundary controls for MSTeams media ingestion.
Fix Commit(s)
73d93dee64127a26f1acd09d0403b794cdeb4f5cb34097f62df9d1960cc22600269cd3f3284e2124
Release Process Note
patched_versions is pre-set to the planned next release (2026.2.22). Once that npm release is published, this advisory can be published without further version-field edits.
OpenClaw thanks @tdjackey for reporting.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | openclaw | < 2026.2.22 | 2026.2.22 |
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-w76h-8m22-hpgh
- https://nvd.nist.gov/vuln/detail/CVE-2026-32037
- https://github.com/openclaw/openclaw/commit/73d93dee64127a26f1acd09d0403b794cdeb4f5c
- https://github.com/openclaw/openclaw/commit/b34097f62df9d1960cc22600269cd3f3284e2124
- https://github.com/openclaw/openclaw
- https://www.vulncheck.com/advisories/openclaw-redirect-chain-bypass-of-media-host-allowlist-in-msteams-attachment-handling
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L- Weakness (CWE)
CWE-918- Platform
- npm
- Package
openclaw- Disclosed
- 03.03.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-w76h-8m22-hpgh - CC BY 4.0
Vulnerability history: openclaw
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 588
- First → latest
- 02.2026 07.2026
- Without a fix
- 9
- Exploited in attacks
- 0
Severity breakdown
- Critical 20
- High 215
- Medium 299
- Low 54
Disclosures per year
- 2026: 588
-
OpenClaw's MSTeams attachment redirect handling could bypass configured media host allowlists this entry
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