What is CVE-2026-41340?

CVE-2026-41340 is a medium-severity vulnerability in Openclaw, classified under CWE-372. CVSS score: 6.5/10. Published 2026-04-23.

How severe is CVE-2026-41340?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Openclaw

CVE-2026-41340

OpenClaw before 2026.3.31 contains an authentication boundary vulnerability where Telegram legacy allowFrom migration incorrectly fans default-account trust into all named accounts. Attackers can exploit this trust propagation to bypass au…

EPSS: 0.001 (29.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Openclaw — versions 0, 2026.3.31

Weakness classification (CWE)

CWE-372

References

GitHub Security Advisory (GHSA-f693-58pc-2gfr) (vendor-advisory, Vendor Advisory)
Patch Commit (Patch, patch)
VulnCheck Advisory: OpenClaw < 2026.3.31 - Authentication Boundary Bypass via Telegram Legacy allowFrom Migration (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-41340?: CVE-2026-41340 is a medium-severity vulnerability in Openclaw, classified under CWE-372. CVSS score: 6.5/10. Published 2026-04-23.
How severe is CVE-2026-41340?: Medium severity. CVSS v3 base score is 6.5 out of 10.