Medium severity4.3NVD Advisory· Published Mar 31, 2026· Updated Apr 1, 2026
CVE-2026-34506
CVE-2026-34506
Description
OpenClaw before 2026.3.8 contains a sender allowlist bypass vulnerability in its Microsoft Teams plugin that allows unauthorized senders to bypass intended authorization checks. When a team/channel route allowlist is configured with an empty groupAllowFrom parameter, the message handler synthesizes wildcard sender authorization, permitting any sender in the matched team/channel to trigger replies in allowlisted Teams routes.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
openclawnpm | < 2026.3.8 | 2026.3.8 |
Affected products
2Patches
Vulnerability mechanics
References
5- github.com/openclaw/openclaw/commit/88aee9161e0e6d32e810a25711e32a808a1777b2nvdPatchWEB
- github.com/advisories/GHSA-g7cr-9h7q-4qxqghsaADVISORY
- github.com/openclaw/openclaw/security/advisories/GHSA-g7cr-9h7q-4qxqnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-34506ghsaADVISORY
- www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-in-microsoft-teams-plugin-via-route-allowlist-configurationnvdThird Party AdvisoryWEB
News mentions
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