GHSA-g7cr-9h7q-4qxq

Suggest an improvement
Source
https://github.com/advisories/GHSA-g7cr-9h7q-4qxq
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-g7cr-9h7q-4qxq/GHSA-g7cr-9h7q-4qxq.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-g7cr-9h7q-4qxq
Aliases
  • CVE-2026-34506
Downstream
Published
2026-03-12T14:21:35Z
Modified
2026-04-06T23:06:35.864830Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
Summary
OpenClaw's MS Teams sender allowlist bypass when route allowlist is configured and sender allowlist is empty
Details

OpenClaw's Microsoft Teams plugin widened group sender authorization when a team/channel route allowlist was configured but groupAllowFrom was empty. Before the fix, a matching route allowlist entry could cause the message handler to synthesize wildcard sender authorization for that route, allowing any sender in the matched team/channel to bypass the intended groupPolicy: "allowlist" sender check.

This does not affect default unauthenticated access, but it does weaken a documented Teams group authorization boundary and can allow unauthorized group senders to trigger replies in allowlisted Teams routes.

Affected Packages / Versions

  • Package: openclaw (npm)
  • Latest published vulnerable version: 2026.3.7
  • Affected range: <= 2026.3.7
  • Fixed in released version: 2026.3.8

Fix Commit(s)

  • 88aee9161e0e6d32e810a25711e32a808a1777b2

Release Verification

  • Verified fixed in GitHub release v2026.3.8 published on March 9, 2026.
  • Verified npm view openclaw version resolves to 2026.3.8.
  • Verified the release contains the regression test covering the Teams route-allowlist sender-bypass case and that the test passes against the v2026.3.8 tree.

Thanks @zpbrent for reporting.

Database specific 
{
    "nvd_published_at": null,
    "severity": "MODERATE",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-289"
    ],
    "github_reviewed_at": "2026-03-12T14:21:35Z"
}
References

Affected packages

npm / openclaw

Package

Name
openclaw
View open source insights on deps.dev
Purl
pkg:npm/openclaw

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2026.3.8

Database specific

last_known_affected_version_range 
"<= 2026.3.7"
source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-g7cr-9h7q-4qxq/GHSA-g7cr-9h7q-4qxq.json"