How severe is CVE-2026-41329?

CVE-2026-41329 has a CVSS 3.x base score of 9.9, rated critical 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-2026-41329 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41329?

CVE-2026-41329 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41329?

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

Does CVE-2026-41329 have an EU (EUVD) identifier?

Yes. CVE-2026-41329 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24017.

When was CVE-2026-41329 published?

CVE-2026-41329 was published on 2026-04-21 and last updated on 2026-06-17.

CVE-2026-41329

CVE-2026-41329 is a critical-severity vulnerability in Openclaw with a CVSS 3.x base score of 9.9. 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-648.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
CVSS v4: 9.0
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24017
Weakness: CWE-648
Affected product: Openclaw
Published: 2026-04-21
Last modified: 2026-06-17

Description

OpenClaw before 2026.3.31 contains a sandbox bypass vulnerability allowing attackers to escalate privileges via heartbeat context inheritance and senderIsOwner parameter manipulation. Attackers can exploit improper context validation to bypass sandbox restrictions and achieve unauthorized privilege escalation.

Frequently asked questions

What is CVE-2026-41329?: OpenClaw before 2026.3.31 contains a sandbox bypass vulnerability allowing attackers to escalate privileges via heartbeat context inheritance and senderIsOwner parameter manipulation. Attackers can exploit improper context validation to bypass sandbox restrictions and achieve unauthorized privilege escalation.
How severe is CVE-2026-41329?: CVE-2026-41329 has a CVSS 3.x base score of 9.9, rated critical 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-2026-41329 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41329?: CVE-2026-41329 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41329?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-41329 have an EU (EUVD) identifier?: Yes. CVE-2026-41329 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24017.
When was CVE-2026-41329 published?: CVE-2026-41329 was published on 2026-04-21 and last updated on 2026-06-17.

References

Affected products (1)

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

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