How severe is CVE-2026-28452?

CVE-2026-28452 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-28452 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-28452?

CVE-2026-28452 affects Openclaw. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-28452?

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

Does CVE-2026-28452 have an EU (EUVD) identifier?

Yes. CVE-2026-28452 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9901.

When was CVE-2026-28452 published?

CVE-2026-28452 was published on 2026-03-05 and last updated on 2026-06-17.

CVE-2026-28452

CVE-2026-28452 is a medium-severity vulnerability in Openclaw with a CVSS 3.x base score of 5.5. 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-770.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v4: 6.7
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-9901
Weakness: CWE-770
Affected product: Openclaw
Published: 2026-03-05
Last modified: 2026-06-17

Description

OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the extractArchive function within src/infra/archive.ts that allows attackers to consume excessive CPU, memory, and disk resources through high-expansion ZIP and TAR archives. Remote attackers can trigger resource exhaustion by providing maliciously crafted archive files during install or update operations, causing service degradation or system unavailability.

Frequently asked questions

What is CVE-2026-28452?: OpenClaw versions prior to 2026.2.14 contain a denial of service vulnerability in the extractArchive function within src/infra/archive.ts that allows attackers to consume excessive CPU, memory, and disk resources through high-expansion ZIP and TAR archives. Remote attackers can trigger resource exhaustion by providing maliciously crafted archive files during install or update operations, causing service degradation or system unavailability.
How severe is CVE-2026-28452?: CVE-2026-28452 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-28452 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-28452?: CVE-2026-28452 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-28452?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-28452 have an EU (EUVD) identifier?: Yes. CVE-2026-28452 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9901.
When was CVE-2026-28452 published?: CVE-2026-28452 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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