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CVE-2026-41398

LOWCVSS 2.1/10EPSS 0.11%

Last modified

CVE-2026-41398 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
4.6/10

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

CVSS 4.0
2.1/10

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 Probability
0.11%

1.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpenclawOpenclaw< 2026.4.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-41398?
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.
How severe is CVE-2026-41398?
CVE-2026-41398 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.
How do I fix CVE-2026-41398?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-41398?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST