How severe is CVE-2026-53861?

CVE-2026-53861 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-53861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-53861?

CVE-2026-53861 primarily affects Openclaw. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-53861?

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

Does CVE-2026-53861 have an EU (EUVD) identifier?

Yes. CVE-2026-53861 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37163.

When was CVE-2026-53861 published?

CVE-2026-53861 was published on 2026-06-16 and last updated on 2026-06-18.

CVE-2026-53861

CVE-2026-53861 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 6.6. 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-184.

Key facts

Severity: Medium (CVSS 3.x base score 6.6)
CVSS v4: 5.3
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37163
Weakness: CWE-184
Affected product: Openclaw
Published: 2026-06-16
Last modified: 2026-06-18

Description

OpenClaw before 2026.5.6 contains an allowlist bypass vulnerability in the macOS Swift exec feature that misses combined POSIX inline-command flags. Attackers can execute shell content outside the intended allowlist check by using combined flag forms, potentially allowing unauthorized command execution depending on operator configuration.

Frequently asked questions

What is CVE-2026-53861?: OpenClaw before 2026.5.6 contains an allowlist bypass vulnerability in the macOS Swift exec feature that misses combined POSIX inline-command flags. Attackers can execute shell content outside the intended allowlist check by using combined flag forms, potentially allowing unauthorized command execution depending on operator configuration.
How severe is CVE-2026-53861?: CVE-2026-53861 has a CVSS 3.x base score of 6.6, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-53861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-53861?: CVE-2026-53861 primarily affects Openclaw. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-53861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-53861 have an EU (EUVD) identifier?: Yes. CVE-2026-53861 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37163.
When was CVE-2026-53861 published?: CVE-2026-53861 was published on 2026-06-16 and last updated on 2026-06-18.

References

Affected products (2)

cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
cpe:2.3:a:openclaw:openclaw:2026.5.6:beta1:*:*:*:node.js:*:*

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