OpenClaw up to 2026.2.18 server-cron.ts fetch server-side request forgery

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenClaw up to 2026.2.18. It has been classified as critical. Affected by this vulnerability is the function fetch of the file src/gateway/server-cron.ts. The manipulation leads to server-side request forgery. This vulnerability is listed as CVE-2026-27488. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OpenClaw up to 2026.2.18. This issue affects the function fetch of the file src/gateway/server-cron.ts. The manipulation with an unknown input leads to a server-side request forgery vulnerability. Using CWE to declare the problem leads to CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. Impacted is integrity, and availability. The summary by CVE is:

OpenClaw is a personal AI assistant. In versions 2026.2.17 and below, Cron webhook delivery in src/gateway/server-cron.ts uses fetch() directly, so webhook targets can reach private/metadata/internal endpoints without SSRF policy checks. This issue was fixed in version 2026.2.19.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-27488 since 02/19/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 2026.2.19 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 99db4d13e5c139883ef0def9ff963e9273179655 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: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Server-side request forgery
CWE: CWE-918
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 2026.2.19
Patch: 99db4d13e5c139883ef0def9ff963e9273179655

Timelineinfo

02/19/2026 CVE reserved
02/21/2026 +2 days Advisory disclosed
02/21/2026 +0 days VulDB entry created
02/21/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: GHSA-w45g-5746-x9fp
Status: Confirmed

CVE: CVE-2026-27488 (🔒)
GCVE (CVE): GCVE-0-2026-27488
GCVE (VulDB): GCVE-100-347303

Entryinfo

Created: 02/21/2026 16:08
Changes: 02/21/2026 16:08 (71)
Complete: 🔍
Cache ID: 216::103

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