How severe is CVE-2026-28453?

CVE-2026-28453 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-28453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28453?

CVE-2026-28453 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28453?

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-2026-28453 have an EU (EUVD) identifier?

Yes. CVE-2026-28453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9902.

When was CVE-2026-28453 published?

CVE-2026-28453 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-28453

CVE-2026-28453 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 7.5. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.3
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9902
Weakness: CWE-22
Affected product: Openclaw
Published: 2026-03-05
Last modified: 2026-06-17

Description

OpenClaw versions prior to 2026.2.14 fail to validate TAR archive entry paths during extraction, allowing path traversal sequences to write files outside the intended directory. Attackers can craft malicious archives with traversal sequences like ../../ to write files outside extraction boundaries, potentially enabling configuration tampering and code execution.

Frequently asked questions

What is CVE-2026-28453?: OpenClaw versions prior to 2026.2.14 fail to validate TAR archive entry paths during extraction, allowing path traversal sequences to write files outside the intended directory. Attackers can craft malicious archives with traversal sequences like ../../ to write files outside extraction boundaries, potentially enabling configuration tampering and code execution.
How severe is CVE-2026-28453?: CVE-2026-28453 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-28453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28453?: CVE-2026-28453 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28453?: 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-2026-28453 have an EU (EUVD) identifier?: Yes. CVE-2026-28453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9902.
When was CVE-2026-28453 published?: CVE-2026-28453 was published on 2026-03-05 and last updated on 2026-06-17.

References

Affected products (1)

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

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