CVE-2026-41340 | THREATINT

Description

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 authentication controls and gain unauthorized access to named accounts.

PUBLISHED Reserved 2026-04-20 | Published 2026-04-23 | Updated 2026-04-24 | Assigner VulnCheck

MEDIUM: 6.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Problem types

CWE-372: Incomplete Internal State Distinction

Product status

Default status

unaffected

Any version before 2026.3.31

affected

2026.3.31 (semver)

unaffected

Credits

smaeljaish771 reporter

KeenSecurityLab finder

References

github.com/...enclaw/security/advisories/GHSA-f693-58pc-2gfr (GitHub Security Advisory (GHSA-f693-58pc-2gfr)) vendor-advisory

github.com/...ommit/d8c68c8d4265ea6fa5e8c5e056534c351bddef37 (Patch Commit) patch

www.vulncheck.com/...via-telegram-legacy-allowfrom-migration (VulnCheck Advisory: OpenClaw < 2026.3.31 - Authentication Boundary Bypass via Telegram Legacy allowFrom Migration) third-party-advisory

cve.org (CVE-2026-41340)

nvd.nist.gov (CVE-2026-41340)

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