How severe is CVE-2026-34512?

CVE-2026-34512 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-2026-34512 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34512?

CVE-2026-34512 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34512?

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-2026-34512 have an EU (EUVD) identifier?

Yes. CVE-2026-34512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21097.

When was CVE-2026-34512 published?

CVE-2026-34512 was published on 2026-04-09 and last updated on 2026-06-17.

CVE-2026-34512

CVE-2026-34512 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-863.

Key facts

Severity: High (CVSS 3.x base score 8.1)
CVSS v4: 7.2
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21097
Weakness: CWE-863
Affected product: Openclaw
Published: 2026-04-09
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.25 contains an improper access control vulnerability in the HTTP /sessions/:sessionKey/kill route that allows any bearer-authenticated user to invoke admin-level session termination functions without proper scope validation. Attackers can exploit this by sending authenticated requests to kill arbitrary subagent sessions via the killSubagentRunAdmin function, bypassing ownership and operator scope restrictions.

Frequently asked questions

What is CVE-2026-34512?: OpenClaw before 2026.3.25 contains an improper access control vulnerability in the HTTP /sessions/:sessionKey/kill route that allows any bearer-authenticated user to invoke admin-level session termination functions without proper scope validation. Attackers can exploit this by sending authenticated requests to kill arbitrary subagent sessions via the killSubagentRunAdmin function, bypassing ownership and operator scope restrictions.
How severe is CVE-2026-34512?: CVE-2026-34512 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-2026-34512 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34512?: CVE-2026-34512 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34512?: 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-2026-34512 have an EU (EUVD) identifier?: Yes. CVE-2026-34512 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21097.
When was CVE-2026-34512 published?: CVE-2026-34512 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:*:*

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