OpenClaw up to 2026.2.13 authentication spoofing

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in OpenClaw up to 2026.2.13. Affected is an unknown function. The manipulation results in authentication spoofing. This vulnerability is reported as CVE-2026-28480. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in OpenClaw up to 2026.2.13. Affected is an unknown functionality. The manipulation with an unknown input leads to a authentication spoofing vulnerability. CWE is classifying the issue as CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-28480 since 02/27/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 2026.2.14 eliminates this vulnerability. Applying the patch 9e147f00b48e63e7be6964e0e2a97f2980854128 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenClaw 2026.2.14
Patch: 9e147f00b48e63e7be6964e0e2a97f2980854128

Timelineinfo

02/27/2026 CVE reserved
03/06/2026 +7 days Advisory disclosed
03/06/2026 +0 days VulDB entry created
03/10/2026 +4 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-mj5r-hh7j-4gxf
Status: Confirmed

CVE: CVE-2026-28480 (🔒)
GCVE (CVE): GCVE-0-2026-28480
GCVE (VulDB): GCVE-100-349392

Entryinfo

Created: 03/06/2026 07:49
Updated: 03/10/2026 14:54
Changes: 03/06/2026 07:49 (77), 03/10/2026 14:54 (1)
Complete: 🔍
Cache ID: 216::103

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