CVE-2026-35661

OpenClaw < 2026.3.25 - Telegram DM-Scoped Inline Button Callback Authorization Bypass

State: Published
Severity: 6.9 Medium
Published: Apr 10, 2026
Updated: Jun 23, 2026
Reserved: Apr 4, 2026

Description

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability in Telegram callback query handling that allows attackers to mutate session state without satisfying normal DM pairing requirements. Remote attackers can exploit weaker callback-only authorization in direct messages to bypass DM pairing and modify session state.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N	VulnCheck
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N	VulnCheck

Weaknesses

CWE-288 Authentication Bypass Using an Alternate Path or Channel

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.3.25Affected 2026.3.25Not affected

References

GitHub Security Advisory (GHSA-j4c9-w69r-cw33)vendor-advisory
Patch Commitpatch
VulnCheck Advisory: OpenClaw < 2026.3.25 - Telegram DM-Scoped Inline Button Callback Authorization Bypassthird-party-advisory

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