CVE-2026-6011

OpenClaw assertPublicHostname web-fetch.ts server-side request forgery

State: Published
Severity: 6.3 Medium
Published: Apr 10, 2026
Updated: Apr 10, 2026
Reserved: Apr 9, 2026

Description

A weakness has been identified in OpenClaw up to 2026.1.26. Affected by this issue is some unknown functionality of the file src/agents/tools/web-fetch.ts of the component assertPublicHostname Handler. Executing a manipulation can lead to server-side request forgery. The attack can be executed remotely. This attack is characterized by high complexity. The exploitation is known to be difficult. The exploit has been made available to the public and could be used for attacks. Upgrading to version 2026.1.29 can resolve this issue. This patch is called b623557a2ec7e271bda003eb3ac33fbb2e218505. Upgrading the affected component is advised.

Scores

CVSS	Score	Vector	Source
4.0	6.3 Medium	CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	5.6 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	5.6 Medium	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	5.1 Medium	AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-918 Server-Side Request Forgery

Affected Products

Product	Versions
OpenClawn/a	2026.1.0Affected 2026.1.1Affected 2026.1.2Affected 2026.1.3Affected 2026.1.4Affected 2026.1.5Affected 2026.1.6Affected 2026.1.7Affected 2026.1.8Affected 2026.1.9Affected 2026.1.10Affected 2026.1.11Affected 2026.1.12Affected 2026.1.13Affected 2026.1.14Affected 2026.1.15Affected 2026.1.16Affected 2026.1.17Affected 2026.1.18Affected 2026.1.19Affected 2026.1.20Affected 2026.1.21Affected 2026.1.22Affected 2026.1.23Affected 2026.1.24Affected and 3 more versions

Product

Versions

OpenClawn/a

2026.1.0Affected
2026.1.1Affected
2026.1.2Affected
2026.1.3Affected
2026.1.4Affected
2026.1.5Affected
2026.1.6Affected
2026.1.7Affected
2026.1.8Affected
2026.1.9Affected
2026.1.10Affected
2026.1.11Affected
2026.1.12Affected
2026.1.13Affected
2026.1.14Affected
2026.1.15Affected
2026.1.16Affected
2026.1.17Affected
2026.1.18Affected
2026.1.19Affected
2026.1.20Affected
2026.1.21Affected
2026.1.22Affected
2026.1.23Affected
2026.1.24Affected
and 3 more versions

References

VDB-356567 | OpenClaw assertPublicHostname web-fetch.ts server-side request forgeryvdb-entry
VDB-356567 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #795224 | openclaw <=2026-1-26 SSRFthird-party-advisory
https://github.com/zast-ai/vulnerability-reports/blob/main/openclaw/ssrf.mdexploit
https://github.com/openclaw/openclaw/commit/b623557a2ec7e271bda003eb3ac33fbb2e218505#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR44patch
https://github.com/openclaw/openclaw/releases/tag/v2026.1.29patch
https://github.com/openclaw/openclaw/product

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