How severe is CVE-2026-27670?

CVE-2026-27670 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2026-27670 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-27670?

CVE-2026-27670 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-27670?

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

Does CVE-2026-27670 have an EU (EUVD) identifier?

Yes. CVE-2026-27670 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13009.

When was CVE-2026-27670 published?

CVE-2026-27670 was published on 2026-03-19 and last updated on 2026-06-17.

CVE-2026-27670

CVE-2026-27670 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 5.3. 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: Medium (CVSS 3.x base score 5.3)
CVSS v4: 5.8
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-13009
Weakness: CWE-367
Affected product: Openclaw
Published: 2026-03-19
Last modified: 2026-06-17

Description

OpenClaw versions prior to 2026.3.2 contain a race condition vulnerability in ZIP extraction that allows local attackers to write files outside the intended destination directory. Attackers can exploit a time-of-check-time-of-use race between path validation and file write operations by rebinding parent directory symlinks to redirect writes outside the extraction root.

Frequently asked questions

What is CVE-2026-27670?: OpenClaw versions prior to 2026.3.2 contain a race condition vulnerability in ZIP extraction that allows local attackers to write files outside the intended destination directory. Attackers can exploit a time-of-check-time-of-use race between path validation and file write operations by rebinding parent directory symlinks to redirect writes outside the extraction root.
How severe is CVE-2026-27670?: CVE-2026-27670 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2026-27670 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-27670?: CVE-2026-27670 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-27670?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-27670 have an EU (EUVD) identifier?: Yes. CVE-2026-27670 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13009.
When was CVE-2026-27670 published?: CVE-2026-27670 was published on 2026-03-19 and last updated on 2026-06-17.

References

Affected products (1)

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

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