CVE-2026-41398

2.1 LOW 0.1% exploit odds Fix listed Other OS & kernel

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in, but needs a user to act. Limited direct impact.
Exploit odds: 0.1% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-04-28 19:37 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 10:46 UTC Last updatedMost recent change to the record

Details

Published: 2026-04-28 19:37 UTC
Last modified: 2026-06-17 10:46 UTC
Exploit probability: 0.1% · EPSS, next 30 days
Weakness: CWE-346
Record status: Analyzed

Affected

Openclaw < 2026.4.2

Attack profile CVSS 4.0 · 2.1

Attack vector: Adjacent network
Complexity: Low
Attack requirements: Present
Privileges needed: None
User interaction: Passive
Confidentiality: None
Integrity: Low
Availability: Low

Raw vector

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

Download Square Reddit

Fix and advisories

References

NVD record · CVE.org record