Vulnerability · Published Mar 5, 2026 · Assigned by VulnCheck

CVE-2026-28480OpenClaw < 2026.2.14 - Identity Spoofing via Mutable Username in Telegram Allowlist Authorization

Medium 6.5

In plain English

A medium-severity authentication bypass by spoofing in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium

Exploit odds (30 days)0.2%top 84.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	clawdbot	no fix listed	GHSA-mj5r-hh7j-4gxf
npm	openclaw	2026.2.14	GHSA-mj5r-hh7j-4gxf

Affected products (as reported)

Vendor	Product	Versions
OpenClaw	OpenClaw	0 – before 2026.2.14

Weakness: CWE-290 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

References

GitHub Security Advisory (GHSA-mj5r-hh7j-4gxf) vendor-advisory
Patch Commit #1 patch
Patch Commit #2 patch
VulnCheck Advisory: OpenClaw < 2026.2.14 - Identity Spoofing via Mutable Username in Telegram Allowlist Authorization third-party-advisory