How severe is CVE-2026-35660?

CVE-2026-35660 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-35660 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35660?

CVE-2026-35660 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35660?

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-2026-35660 have an EU (EUVD) identifier?

Yes. CVE-2026-35660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21466.

When was CVE-2026-35660 published?

CVE-2026-35660 was published on 2026-04-10 and last updated on 2026-06-17.

CVE-2026-35660

CVE-2026-35660 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 8.1. 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-862.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v4: 7.2
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21466
Weakness: CWE-862
Affected product: Openclaw
Published: 2026-04-10
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.23 contains an insufficient access control vulnerability in the Gateway agent /reset endpoint that allows callers with operator.write permission to reset admin sessions. Attackers with operator.write privileges can invoke /reset or /new messages with an explicit sessionKey to bypass operator.admin requirements and reset arbitrary sessions.

Frequently asked questions

What is CVE-2026-35660?: OpenClaw before 2026.3.23 contains an insufficient access control vulnerability in the Gateway agent /reset endpoint that allows callers with operator.write permission to reset admin sessions. Attackers with operator.write privileges can invoke /reset or /new messages with an explicit sessionKey to bypass operator.admin requirements and reset arbitrary sessions.
How severe is CVE-2026-35660?: CVE-2026-35660 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-35660 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35660?: CVE-2026-35660 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35660?: 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-2026-35660 have an EU (EUVD) identifier?: Yes. CVE-2026-35660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21466.
When was CVE-2026-35660 published?: CVE-2026-35660 was published on 2026-04-10 and last updated on 2026-06-17.

References

Affected products (1)

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

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