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.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
High
Difficult to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v4.0
Weakness Type (CWE)
References 7
https://github.com/openclaw/openclaw/
cna@vuldb.com
https://github.com/openclaw/openclaw/commit/b623557a2ec7e271bda003eb3ac33fbb2e2…
cna@vuldb.com
https://github.com/openclaw/openclaw/releases/tag/v2026.1.29
cna@vuldb.com
https://github.com/zast-ai/vulnerability-reports/blob/main/openclaw/ssrf.md
cna@vuldb.com
https://vuldb.com/submit/795224
cna@vuldb.com
https://vuldb.com/vuln/356567
cna@vuldb.com
https://vuldb.com/vuln/356567/cti
cna@vuldb.com