What is CVE-2026-28452?

CVE-2026-28452 is a medium-severity vulnerability in Openclaw, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2026-03-05.

How severe is CVE-2026-28452?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Resource exhaustion in Openclaw

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.

EPSS: 0.003 (24.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Openclaw — versions 0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

disclosure@vulncheck.com (vendor-advisory, Patch, Vendor Advisory)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (Patch, patch)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-28452?: CVE-2026-28452 is a medium-severity vulnerability in Openclaw, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2026-03-05.
How severe is CVE-2026-28452?: Medium severity. CVSS v3 base score is 5.5 out of 10.