Description
OpenClaw before 2026.4.2 contains an improper access control vulnerability in the iOS A2UI bridge that treats generic local-network pages as trusted origins. Attackers can inject unauthorized agent.request runs by loading attacker-controlled pages from local-network or tailnet hosts, polluting session state and consuming budget.
Affected products
openclaw: openclaw
References3
- github.com/openclaw/openclaw/security/advisories/GHSA-4p4f-fc8q… PatchVendor Advisory
- github.com/openclaw/openclaw/commit/49d08382a90f71dabe2877b3f67… Patch
- www.vulncheck.com/advisories/openclaw-unauthorized-agent-reques… Third Party Advisory
Metrics
- CVSS 3.1
-
4.6
MEDIUM
Score source: CNA
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L - CVSS 4.0
-
2.1
LOW
Score source: CNA
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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 - EPSS — exploit probability
- 0% percentile: 1 · as of 13 November 2026
- CWE
- CWE-346
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.