How severe is CVE-2026-35662?

CVE-2026-35662 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-2026-35662 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-2026-35662?

CVE-2026-35662 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35662?

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

Does CVE-2026-35662 have an EU (EUVD) identifier?

Yes. CVE-2026-35662 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21470.

When was CVE-2026-35662 published?

CVE-2026-35662 was published on 2026-04-10 and last updated on 2026-06-17.

CVE-2026-35662

CVE-2026-35662 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-862.

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-2026-21470
Weakness: CWE-862
Affected product: Openclaw
Published: 2026-04-10
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.22 fails to enforce controlScope restrictions on the send action, allowing leaf subagents to message controlled child sessions beyond their authorized scope. Attackers can exploit this by using the send action to communicate with child sessions without proper scope validation, bypassing intended access control restrictions.

Frequently asked questions

What is CVE-2026-35662?: OpenClaw before 2026.3.22 fails to enforce controlScope restrictions on the send action, allowing leaf subagents to message controlled child sessions beyond their authorized scope. Attackers can exploit this by using the send action to communicate with child sessions without proper scope validation, bypassing intended access control restrictions.
How severe is CVE-2026-35662?: CVE-2026-35662 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-2026-35662 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-2026-35662?: CVE-2026-35662 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35662?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-35662 have an EU (EUVD) identifier?: Yes. CVE-2026-35662 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-21470.
When was CVE-2026-35662 published?: CVE-2026-35662 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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