CVE-2026-43575 | THREATINT

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.

PUBLISHED Reserved 2026-05-01 | Published 2026-05-06 | Updated 2026-05-07 | Assigner VulnCheck

CRITICAL: 9.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-862 Missing Authorization

Product status

Default status

unaffected

2026.2.21 (semver) before 2026.4.10

affected

2026.4.10 (semver)

unaffected

Credits

smaeljaish771 reporter

KeenSecurityLab coordinator

References

github.com/...enclaw/security/advisories/GHSA-92jp-89mq-4374 (GitHub Security Advisory (GHSA-92jp-89mq-4374)) vendor-advisory

github.com/...ommit/8dfbf3268bd224b7377d1ecca77a445100746085 (Patch Commit) patch

www.vulncheck.com/...on-bypass-in-sandbox-novnc-helper-route (VulnCheck Advisory: OpenClaw 2026.2.21 < 2026.4.10 - Authentication Bypass in Sandbox noVNC Helper Route) third-party-advisory

cve.org (CVE-2026-43575)

nvd.nist.gov (CVE-2026-43575)

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