Medium severity · published Apr 23, 2026
CVE-2026-41340
OpenClaw < 2026.3.31 - Authentication Boundary Bypass via Telegram Legacy allowFrom Migration
6.5
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.3.31 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-41340
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-41340
Patch
https://github.com/openclaw/openclaw/commit/d8c68c8d4265ea6fa5e8c5e056534c351bddef37
Vendor Advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-f693-58pc-2gfr
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-authentication-boundary-bypass-via-telegram-legacy-allowfrom-migration
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