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.

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.

EPSS: 0.003 (22.0th percentile) — read the EPSS interpretation.

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.

Affected products

Openclaw — versions 0, 2026.3.31

Weakness classification (CWE)

CWE-408

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (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.