CVE-2026-28480mediumCWE-290

CVE-2026-28480: medium-severity vulnerability in OpenClaw

OpenClaw < 2026.2.14 - Identity Spoofing via Mutable Username in Telegram Allowlist Authorization

Published · Updated

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.9epss 0.4%
exploitation probability
0.4%top 70% of all CVEs
observed exploitation
nono source reports it
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:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Affected products
OpenClaw · OpenClaw
Related CVEs — OpenClaw

In the same product, most dangerous first.

CVE-2026-25253HIGHCVE-2026-25253EPSS 24.4%CVE-2026-32917CRITICALOpenClaw < 2026.3.13 - Remote Command Injection via Unsanitized iMessage Attachment Paths in SCPEPSS 3.2%CVE-2026-53822HIGHOpenClaw < 2026.5.18 - Command Argument Modification via Shell Wrapper Between Approval and ExecutionEPSS 2.0%CVE-2026-32052MEDIUMOpenClaw < 2026.2.24 - Hidden Command Execution via Shell-Wrapper Positional argv CarriersEPSS 1.6%CVE-2026-44998LOWOpenClaw < 2026.4.20 - Tool Policy Bypass via Bundled MCP/LSP ToolsEPSS 1.2%CVE-2026-44109CRITICALOpenClaw < 2026.4.15 - Authentication Bypass in Feishu Webhook and Card-Action ValidationEPSS 1.1%
References
https://github.com/openclaw/openclaw/commit/9e147f00b48e63e7be6964e0e2a97f2980854128https://github.com/openclaw/openclaw/commit/e3b432e481a96b8fd41b91273818e514074e05c3https://github.com/openclaw/openclaw/security/advisories/GHSA-mj5r-hh7j-4gxfhttps://www.vulncheck.com/advisories/openclaw-identity-spoofing-via-mutable-username-in-telegram-allowlist-authorization