CVE-2026-6011
OpenClaw assertPublicHostname web-fetch.ts server-side request forgery
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.
INFO
Published Date :
April 10, 2026, 5:16 a.m.
Last Modified :
April 30, 2026, 2:22 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade OpenClaw to version 2026.1.29.
- Apply the b623557a2ec7e271bda003eb3ac33fbb2e218505 patch.
- Update the affected component.
Public PoC/Exploit Available at Github
CVE-2026-6011 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-6011.
| URL | Resource |
|---|---|
| https://github.com/openclaw/openclaw/ | Product |
| https://github.com/openclaw/openclaw/commit/b623557a2ec7e271bda003eb3ac33fbb2e218505#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR44 | Patch |
| https://github.com/openclaw/openclaw/releases/tag/v2026.1.29 | Release Notes |
| https://github.com/zast-ai/vulnerability-reports/blob/main/openclaw/ssrf.md | Exploit Mitigation Patch Third Party Advisory |
| https://vuldb.com/submit/795224 | Patch Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/356567 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/356567/cti | Permissions Required VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-6011 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-6011
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Tracking OpenClaw CVEs
Python Jinja
None
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-6011 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-6011 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Apr. 30, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:* versions up to (excluding) 2026.1.29 Added Reference Type VulDB: https://github.com/openclaw/openclaw/ Types: Product Added Reference Type VulDB: https://github.com/openclaw/openclaw/commit/b623557a2ec7e271bda003eb3ac33fbb2e218505#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR44 Types: Patch Added Reference Type VulDB: https://github.com/openclaw/openclaw/releases/tag/v2026.1.29 Types: Release Notes Added Reference Type VulDB: https://github.com/zast-ai/vulnerability-reports/blob/main/openclaw/ssrf.md Types: Exploit, Mitigation, Patch, Third Party Advisory Added Reference Type VulDB: https://vuldb.com/submit/795224 Types: Patch, Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/356567 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/vuln/356567/cti Types: Permissions Required, VDB Entry -
Data Remediation by [email protected]
Apr. 29, 2026
Action Type Old Value New Value Changed CVSS V4.0 Score 6.3 2.9 -
New CVE Received by [email protected]
Apr. 10, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:H/Au:N/C:P/I:P/A:P) Added CWE CWE-918 Added Reference https://github.com/openclaw/openclaw/ Added Reference https://github.com/openclaw/openclaw/commit/b623557a2ec7e271bda003eb3ac33fbb2e218505#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR44 Added Reference https://github.com/openclaw/openclaw/releases/tag/v2026.1.29 Added Reference https://github.com/zast-ai/vulnerability-reports/blob/main/openclaw/ssrf.md Added Reference https://vuldb.com/submit/795224 Added Reference https://vuldb.com/vuln/356567 Added Reference https://vuldb.com/vuln/356567/cti