CVE-2026-28480
MEDIUMOpenClaw < 2026.2.14 - Authentication Bypass via Telegram Username Spoofing
Title source: llmDescription
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.
References (4)
Core 4
Core References
Vendor Advisory vendor-advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-mj5r-hh7j-4gxf
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/openclaw-identity-spoofing-via-mutable-username-in-telegram-allowlist-authorization
Scores
CVSS v3
6.5
EPSS
0.0021
EPSS Percentile
11.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-290
Status
published
Products (3)
npm/clawdbot
0npm
npm/openclaw
0 - 2026.2.14npm
openclaw/openclaw
< 2026.2.14
Published
Mar 05, 2026
Tracked Since
Mar 06, 2026