CVE-2026-35661

MEDIUM EPSS 20.2%
Published Apr 10, 20262mo ago · Modified Jun 17, 20261w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Apr 10, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
20.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-288

Affected Products 1

VendorProductVersionRange
openclawopenclaw* <2026.3.25

References 3

  • github.com https://github.com/openclaw/openclaw/commit/269282ac69ab6030d5f30d04822668f607f13065
    Patch
  • github.com https://github.com/openclaw/openclaw/security/advisories/GHSA-j4c9-w69r-cw33
    Vendor Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/openclaw-telegram-dm-scoped-inline-button-callback-authorization-bypass
    Third Party Advisory

Remediation

  • github.com https://github.com/openclaw/openclaw/commit/269282ac69ab6030d5f30d04822668f607f13065
    Patch