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GHSA-7vwx-582j-j332

HighCVSS 7.4 / 10
Published Feb 17, 2026·Last modified Mar 6, 2026
Affected Components(0)

No affected components available

Description

Summary

NOTE: This only affects deployments that enable the optional MS Teams extension (Teams channel). If you do not use MS Teams, you are not impacted.

When OpenClaw downloads inbound MS Teams attachments / inline images, it may retry a URL with an Authorization: Bearer <token> header after receiving 401 or 403.

Because the default download allowlist uses suffix matching (and includes some multi-tenant suffix domains), a message that references an untrusted but allowlisted host could cause that bearer token to be sent to the wrong place.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Vulnerable: <= 2026.1.30
  • Patched: >= 2026.2.1

Fix

  • Fix commit: 41cc5bcd4f1d434ad1bbdfa55b56f25025ecbf6b
  • Upgrade to openclaw >= 2026.2.1

Workarounds

  • If you do not need MS Teams, disable the MS Teams extension.
  • If you must stay on an older version, ensure the auth host allowlist is strict (only Microsoft-owned endpoints that require auth) and avoid wildcard or broad suffix entries.

Credits

Thanks @yueyueL for reporting.

Risk Scores
Base Score
7.4

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information.

Threat Intelligence
6.8

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.26%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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