Medium severity · published Mar 5, 2026
CVE-2026-28480
OpenClaw < 2026.2.14 - Identity Spoofing via Mutable Username in Telegram Allowlist Authorization
6.5
CVSS
0.2%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.2.14 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-28480
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-28480
Patch
https://github.com/openclaw/openclaw/commit/9e147f00b48e63e7be6964e0e2a97f2980854128
Patch
https://github.com/openclaw/openclaw/commit/e3b432e481a96b8fd41b91273818e514074e05c3
Vendor Advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-mj5r-hh7j-4gxf
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-identity-spoofing-via-mutable-username-in-telegram-allowlist-authorization
More from OpenClaw
9.9
CVE-2026-41329
OpenClaw < 2026.3.31 - Sandbox Bypass via Heartbeat Context Inheritance and senderIsOwner Escalation
9.9
CVE-2026-33579
OpenClaw < 2026.3.28 - Privilege Escalation via Missing Caller Scope Validation in Device Pair Approval
9.9
CVE-2026-32922
OpenClaw < 2026.3.11 - Privilege Escalation via Unvalidated Scope in device.token.rotate
9.9
CVE-2026-32048
OpenClaw < 2026.3.1 - Sandbox Escape via Cross-Agent sessions_spawn
9.9
CVE-2026-22172
OpenClaw < 2026.3.12 - Scope Elevation in WebSocket Shared-Auth Connections
