How severe is CVE-2026-35642?

CVE-2026-35642 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-35642 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35642?

CVE-2026-35642 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35642?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-35642 have an EU (EUVD) identifier?

Yes. CVE-2026-35642 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21138.

When was CVE-2026-35642 published?

CVE-2026-35642 was published on 2026-04-09 and last updated on 2026-06-17.

CVE-2026-35642

CVE-2026-35642 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 4.3. 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-288.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
CVSS v4: 5.3
EPSS exploit prediction: 0% (10th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-21138
Weakness: CWE-288
Affected product: Openclaw
Published: 2026-04-09
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.25 contains an authorization bypass vulnerability where group reaction events bypass the requireMention access control mechanism. Attackers can trigger reactions in mention-gated groups to enqueue agent-visible system events that should remain restricted.

Frequently asked questions

What is CVE-2026-35642?: OpenClaw before 2026.3.25 contains an authorization bypass vulnerability where group reaction events bypass the requireMention access control mechanism. Attackers can trigger reactions in mention-gated groups to enqueue agent-visible system events that should remain restricted.
How severe is CVE-2026-35642?: CVE-2026-35642 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-35642 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (10th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35642?: CVE-2026-35642 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35642?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-35642 have an EU (EUVD) identifier?: Yes. CVE-2026-35642 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21138.
When was CVE-2026-35642 published?: CVE-2026-35642 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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