Resource exhaustion in Actions Toolkit
CVE-2025-5890
A vulnerability classified as problematic has been found in actions toolkit 0.5.0. This affects the function globEscape of the file toolkit/packages/glob/src/internal-pattern.ts of the component glob. The manipulation leads to inefficient regular expression complexity. It is possible to initiate the attack remotely.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.004 (32.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 33rd percentile — 32.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Actions Toolkit — versions 0.5.0
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, vdb-entry)
- vuldb.com/ (signature, permissions-required)
- vuldb.com/ (third-party-advisory)
- github.com/actions/toolkit/pull/2057 (issue-tracking)
Frequently asked questions
- What is CVE-2025-5890?
- CVE-2025-5890 is a medium-severity vulnerability in Actions Toolkit, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2025-06-09.
- How severe is CVE-2025-5890?
- Medium severity. CVSS v3 base score is 4.3 out of 10.