How severe is CVE-2026-53831?

CVE-2026-53831 has a CVSS 3.x base score of 8.3, rated high 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 low.

Is CVE-2026-53831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-53831?

CVE-2026-53831 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-53831?

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-2026-53831 have an EU (EUVD) identifier?

Yes. CVE-2026-53831 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36619.

When was CVE-2026-53831 published?

CVE-2026-53831 was published on 2026-06-12 and last updated on 2026-06-17.

CVE-2026-53831

CVE-2026-53831 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 8.3. 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-367.

Key facts

Severity: High (CVSS 3.x base score 8.3)
CVSS v4: 7.6
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36619
Weakness: CWE-367
Affected product: Openclaw
Published: 2026-06-12
Last modified: 2026-06-17

Description

OpenClaw before 2026.5.18 contains a policy enforcement vulnerability in system.run safe-bin allowlist validation that allows shell expansion to modify command interpretation on POSIX nodes. Authenticated operators can exploit shell metacharacters in approved commands to read unintended node-local files and expose sensitive configuration data.

Frequently asked questions

What is CVE-2026-53831?: OpenClaw before 2026.5.18 contains a policy enforcement vulnerability in system.run safe-bin allowlist validation that allows shell expansion to modify command interpretation on POSIX nodes. Authenticated operators can exploit shell metacharacters in approved commands to read unintended node-local files and expose sensitive configuration data.
How severe is CVE-2026-53831?: CVE-2026-53831 has a CVSS 3.x base score of 8.3, rated high 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 low.
Is CVE-2026-53831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-53831?: CVE-2026-53831 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-53831?: 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-2026-53831 have an EU (EUVD) identifier?: Yes. CVE-2026-53831 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36619.
When was CVE-2026-53831 published?: CVE-2026-53831 was published on 2026-06-12 and last updated on 2026-06-17.

References

Affected products (1)

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

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