CVE-2026-43575

9.2 CRITICAL 0.4% exploit odds Fix listed Auth & access Browser & mail

What it is

OpenClaw versions 2026.2.21 before 2026.4.10 contain an authentication bypass vulnerability in the sandbox noVNC helper route that exposes interactive browser session credentials. Attackers can access the noVNC helper route without bridge authentication to gain unauthorized access to the interactive browser session.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-05-06 20:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 10:49 UTC Last updatedMost recent change to the record

Details

Published: 2026-05-06 20:16 UTC
Last modified: 2026-06-17 10:49 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-862 · Missing authorization
Record status: Analyzed

Affected

Openclaw < 2026.4.10

Attack profile CVSS 4.0 · 9.2

Attack vector: Network
Complexity: Low
Attack requirements: Present
Privileges needed: None
User interaction: None
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/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

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Fix and advisories

References

NVD record · CVE.org record