CVE-2026-28480

MEDIUM EPSS 11.2%
Published Mar 5, 20263mo ago · Modified Jun 17, 20261w ago
6.9 CVSS 4.0
Medium
Find Similar
Published Mar 5, 2026 3mo ago
Last Modified Jun 17, 2026 1w ago

Description

OpenClaw versions prior to 2026.2.14 contain an authorization bypass vulnerability where Telegram allowlist matching accepts mutable usernames instead of immutable numeric sender IDs. Attackers can spoof identity by obtaining recycled usernames to bypass allowlist restrictions and interact with bots as unauthorized senders.

CVSS Details

Base Score
6.9
Exploitability
—
Impact
—
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/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
11.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-290

Affected Products 1

VendorProductVersionRange
openclawopenclaw* <2026.2.14

References 4

  • github.com https://github.com/openclaw/openclaw/commit/9e147f00b48e63e7be6964e0e2a97f2980854128
    Patch
  • github.com https://github.com/openclaw/openclaw/commit/e3b432e481a96b8fd41b91273818e514074e05c3
    Patch
  • github.com https://github.com/openclaw/openclaw/security/advisories/GHSA-mj5r-hh7j-4gxf
    Vendor Advisory
  • vulncheck.com https://www.vulncheck.com/advisories/openclaw-identity-spoofing-via-mutable-username-in-telegram-allowlist-authorization
    Third Party Advisory

Remediation

  • github.com https://github.com/openclaw/openclaw/commit/9e147f00b48e63e7be6964e0e2a97f2980854128
    Patch
  • github.com https://github.com/openclaw/openclaw/commit/e3b432e481a96b8fd41b91273818e514074e05c3
    Patch