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CVE-2026-43575

Openclaw broken access control

9.8 CRITICALEPSS 0.77%
  1. Published6 May 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Openclaw≥ 2026.2.21 < 2026.4.10

Remediation

Fixed in
Openclaw≥ 2026.4.10

References

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Frequently asked

Is CVE-2026-43575 being actively exploited?

CVE-2026-43575 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.77%.

How severe is CVE-2026-43575?

CVE-2026-43575 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.77% probability of exploitation.

Which products are affected by CVE-2026-43575?

Affected products include Openclaw.

How do I fix CVE-2026-43575?

Upgrade affected software to a fixed version, for example Openclaw 2026.4.10 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-43575 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.