CVE-2026-43575

critical · 9.2

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.

9.2

CVSS

0.4%

EPSS (exploit prob.)

34th

EPSS percentile

2026-05-06

Published

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

Weaknesses

CWE-862

Affected products

Vendor	Product	Affected versions
openclaw	openclaw	>= 2026.2.21, < 2026.4.10

Check a specific version with /api/v1/cve/match.

References

https://github.com/openclaw/openclaw/commit/8dfbf3268bd224b7377d1ecca77a445100746085
https://github.com/openclaw/openclaw/security/advisories/GHSA-92jp-89mq-4374
https://www.vulncheck.com/advisories/openclaw-authentication-bypass-in-sandbox-novnc-helper-route

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-43575