OpenClaw up to 2026.2.13 fetchWithGuard allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenClaw up to 2026.2.13. It has been classified as problematic. This issue affects the function fetchWithGuard. This manipulation causes allocation of resources. This vulnerability is registered as CVE-2026-29609. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in OpenClaw up to 2026.2.13 and classified as problematic. Affected by this vulnerability is the function fetchWithGuard. The manipulation with an unknown input leads to a allocation of resources vulnerability. The CWE definition for the vulnerability is CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. As an impact it is known to affect availability. The summary by CVE is:

OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the fetchWithGuard function that allocates entire response payloads in memory before enforcing maxBytes limits. Remote attackers can trigger memory exhaustion by serving oversized responses without content-length headers to cause availability loss.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-29609 since 03/04/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 2026.2.14 eliminates this vulnerability. Applying the patch 00a08908892d1743d1fc52e5cbd9499dd5da2fe0 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: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
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: 00a08908892d1743d1fc52e5cbd9499dd5da2fe0

Timelineinfo

03/04/2026 CVE reserved
03/06/2026 +2 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-j27p-hq53-9wgc
Status: Confirmed

CVE: CVE-2026-29609 (🔒)
GCVE (CVE): GCVE-0-2026-29609
GCVE (VulDB): GCVE-100-349375

Entryinfo

Created: 03/06/2026 07:44
Updated: 03/10/2026 15:44
Changes: 03/06/2026 07:44 (77), 03/10/2026 15:44 (1)
Complete: 🔍
Cache ID: 216::103

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