OpenClaw assertPublicHostname web-fetch.ts server-side request forgery
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.3epss 0.4%
exploitation probability
0.4%top 65% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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.
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
Affected products
n/a · OpenClawpublic PoCs found — 1
cve_referencegithub.com/zast-ai/vulnerability-reports/blob/main/openclaw/ssrf.mdunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
References
https://github.com/openclaw/openclaw/https://github.com/openclaw/openclaw/commit/b623557a2ec7e271bda003eb3ac33fbb2e218505#diff-06572a96a58dc510037d5efa622f9bec8519bc1beab13c9f251e97e657a9d4edR44https://github.com/openclaw/openclaw/releases/tag/v2026.1.29https://github.com/zast-ai/vulnerability-reports/blob/main/openclaw/ssrf.mdhttps://vuldb.com/submit/795224https://vuldb.com/vuln/356567https://vuldb.com/vuln/356567/cti