CVE-2026-43575

Name: CVE-2026-43575
Creator: NVD / NIST
Published: 2026-05-06T20:16:33.1+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.2/10EPSS 0.40%

Last modified Jun 17, 2026

CVE-2026-43575 is a critical-severity vulnerability rated 9.2/10 on the CVSS scale. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

9.2/10

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

EPSS Probability

0.40%

31.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Openclaw	Openclaw	>= 2026.2.21, < 2026.4.10

References

https://github.com/openclaw/openclaw/commit/8dfbf3268bd224b7377d1ecca77a445100746085Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-92jp-89mq-4374Mitigation, Vendor Advisory
https://www.vulncheck.com/advisories/openclaw-authentication-bypass-in-sandbox-novnc-helper-routeThird Party Advisory

Timeline

Published: May 6, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-43575?

How severe is CVE-2026-43575?

CVE-2026-43575 has a CVSS score of 9.2/10 (CRITICAL severity). The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.

How do I fix CVE-2026-43575?

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-2026-43575?

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

Scan your code now

Source: NVD / NIST