High severity7.5NVD Advisory· Published Apr 28, 2026· Updated Apr 30, 2026
CVE-2026-41405
CVE-2026-41405
Description
OpenClaw before 2026.3.31 parses MS Teams webhook request bodies before performing JWT validation, allowing unauthenticated attackers to trigger resource exhaustion. Remote attackers can send malicious Teams webhook payloads to exhaust server resources by bypassing authentication checks.
AI Insight
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 | < 2026.3.31 | 2026.3.31 |
Affected products
2Patches
Vulnerability mechanics
References
6- github.com/openclaw/openclaw/commit/3834d47099dd13c8244ed6de8b9ea9855c553623nvdPatchWEB
- github.com/advisories/GHSA-p464-m8x6-vhv8ghsaADVISORY
- github.com/openclaw/openclaw/security/advisories/GHSA-p464-m8x6-vhv8nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-41405ghsaADVISORY
- www.vulncheck.com/advisories/openclaw-resource-exhaustion-via-unauthenticated-ms-teams-webhook-body-parsingnvdThird Party AdvisoryWEB
- github.com/openclaw/openclaw/releases/tag/v2026.3.31ghsaWEB
News mentions
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