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CVE-2026-35638

Openclaw privilege escalation

8.8 HIGHEPSS 0.53%
  1. Published9 Apr 2026

Description

OpenClaw before 2026.3.22 contains a privilege escalation vulnerability in the Control UI that allows unauthenticated sessions to retain self-declared privileged scopes without device identity verification. Attackers can exploit the device-less allow path in the trusted-proxy mechanism to maintain elevated permissions by declaring arbitrary scopes, bypassing device identity requirements.

CVSS 3.1 breakdown

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

Affected products

Openclaw< 2026.3.22

Remediation

Fixed in
Openclaw≥ 2026.3.22

References

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Frequently asked

Is CVE-2026-35638 being actively exploited?

CVE-2026-35638 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.53%.

How severe is CVE-2026-35638?

CVE-2026-35638 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.53% probability of exploitation.

Which products are affected by CVE-2026-35638?

Affected products include Openclaw.

How do I fix CVE-2026-35638?

Upgrade affected software to a fixed version, for example Openclaw 2026.3.22 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-35638 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.