How severe is CVE-2026-35638?

CVE-2026-35638 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-35638 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35638?

CVE-2026-35638 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35638?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-35638 have an EU (EUVD) identifier?

Yes. CVE-2026-35638 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21132.

When was CVE-2026-35638 published?

CVE-2026-35638 was published on 2026-04-09 and last updated on 2026-06-17.

CVE-2026-35638

CVE-2026-35638 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-286.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21132
Weakness: CWE-286
Affected product: Openclaw
Published: 2026-04-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-35638?: 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.
How severe is CVE-2026-35638?: CVE-2026-35638 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-35638 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35638?: CVE-2026-35638 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35638?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-35638 have an EU (EUVD) identifier?: Yes. CVE-2026-35638 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21132.
When was CVE-2026-35638 published?: CVE-2026-35638 was published on 2026-04-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*

More vulnerabilities in Openclaw

CVE-2026-41329 — Critical (CVSS 9.9): OpenClaw before 2026.3.31 contains a sandbox bypass vulnerability allowing attackers to escalate privileges via…
CVE-2026-33579 — Critical (CVSS 9.9): OpenClaw before 2026.3.28 contains a privilege escalation vulnerability in the /pair approve command path that fails to…
CVE-2026-32922 — Critical (CVSS 9.9): OpenClaw before 2026.3.11 contains a privilege escalation vulnerability in device.token.rotate that allows callers with…
CVE-2026-22172 — Critical (CVSS 9.9): OpenClaw versions prior to 2026.3.12 contain an authorization bypass vulnerability in the WebSocket connect path that…
CVE-2026-28466 — Critical (CVSS 9.9): OpenClaw versions prior to 2026.2.14 contain a vulnerability in the gateway in which it fails to sanitize internal…
CVE-2026-28363 — Critical (CVSS 9.9): In OpenClaw before 2026.2.23, tools.exec.safeBins validation for sort could be bypassed via GNU long-option…

All CVEs affecting Openclaw →

Other CWE-286 vulnerabilities

CVE-2025-64725 — Critical (CVSS 9.8): Weblate is a web based localization tool. In versions prior to 5.15, it was possible to accept an invitation opened by…
CVE-2023-26689 — Critical (CVSS 9.8): An issue discovered in CS-Cart MultiVendor 4.16.1 allows attackers to alter arbitrary user account profiles via crafted…
CVE-2025-7972 — Critical (CVSS 9.1): A security issue exists within the FactoryTalk Linx Network Browser. By modifying the process.env.NODE_ENV to…
CVE-2024-48853 — Critical (CVSS 9.0): An escalation of privilege vulnerability in ASPECT could provide an attacker root access to a server when logged in as…
CVE-2023-3932 — High (CVSS 8.2): An issue has been discovered in GitLab EE affecting all versions starting from 13.12 before 16.0.8, all versions…
CVE-2024-28020 — High (CVSS 8.0): A user/password reuse vulnerability exists in the FOXMAN-UN/UNEM application and server management. If exploited a…

Browse all CWE-286 vulnerabilities →