Vulnerability in Openclaw
CVE-2026-41331
OpenClaw before 2026.3.31 contains a resource consumption vulnerability in Telegram audio preflight transcription that allows unauthorized group senders to trigger transcription processing. Attackers can exploit insufficient allowlist enforcement to cause resource or billing consumption by initiating audio preflight operations before authorization checks are applied.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (42.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Openclaw — versions 0, 2026.3.31
Weakness classification (CWE)
References
- github.com/openclaw/openclaw/security/advisories/GHSA-m6fx-m8hc-572m (vendor-advisory, Vendor Advisory)
- github.com/openclaw/openclaw/commit/c4fa8635d03943ffe9e294d501089521dca635c5 (Patch, patch)
- www.vulncheck.com/advisories/openclaw-resource-consumption-via-unauthorized-tel… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-41331?
- CVE-2026-41331 is a medium-severity vulnerability in Openclaw, classified under CWE-408. CVSS score: 5.3/10. Published 2026-04-21.
- How severe is CVE-2026-41331?
- Medium severity. CVSS v3 base score is 5.3 out of 10.