OpenClaw up to 2026.3.27 Gateway Caller chat.send authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in OpenClaw up to 2026.3.27. This affects the function chat.send of the component Gateway Caller Handler. Performing a manipulation results in authorization. This vulnerability is known as CVE-2026-41371. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in OpenClaw up to 2026.3.27. This affects the function chat.send of the component Gateway Caller Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on integrity, and availability. The summary by CVE is:

OpenClaw before 2026.3.28 contains a privilege escalation vulnerability in chat.send that allows write-scoped gateway callers to trigger admin-only session reset operations. Attackers can rotate target sessions, archive prior transcript state, and force new session IDs without requiring admin scope by exploiting improper authorization checks in the chat.send path.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-41371 since 04/20/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2026.3.28 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-0930). Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Open Source OpenClaw

Productinfo

Type

Name

Version

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: 5.4
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
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 2026.3.28

Timelineinfo

04/20/2026 CVE reserved
04/28/2026 +8 days Advisory disclosed
04/28/2026 +0 days VulDB entry created
04/29/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-5r8f-96gm-5j6g
Status: Confirmed

CVE: CVE-2026-41371 (🔒)
GCVE (CVE): GCVE-0-2026-41371
GCVE (VulDB): GCVE-100-359895
CERT Bund: WID-SEC-2026-0930 - OpenClaw: Mehrere Schwachstellen

Entryinfo

Created: 04/28/2026 06:38
Updated: 04/29/2026 09:16
Changes: 04/28/2026 06:38 (77), 04/29/2026 09:16 (7)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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