CVE-2026-41398

medium

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.

References

Advisories
More

https://www.vulncheck.com/advisories/openclaw-unauthorized-agent-request-dispatch-via-untrusted-local-network-pages-in-ios-a2ui-bridge

https://github.com/openclaw/openclaw/security/advisories/GHSA-4p4f-fc8q-84m3

https://github.com/openclaw/openclaw/commit/49d08382a90f71dabe2877b3f6729ad85f808d57

Details

Source: Mitre, NVD

Published: 2026-04-28

Updated: 2026-04-30

Risk Information

CVSS v2

Base Score: 4.8

Vector: CVSS2#AV:A/AC:L/Au:N/C:N/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 4.6

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L

Severity: Medium

CVSS v4

Base Score: 6.9

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00006