CVE Catalog

CVE-2026-58421

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.33%

25th percentile - higher than 25% of all known CVEs

Summary

A ReDoS (Regular Expression Denial of Service) vulnerability in the CODEOWNERS pattern matching mechanism allows an unauthenticated attacker to perform a denial of service attack.

Risk Assessment

An attacker can send a specially crafted request causing excessive CPU load, leading to service unavailability for legitimate users.

Recommendation

Immediately update the system to a version containing a fix that eliminates the ReDoS vulnerability in the CODEOWNERS mechanism.

Related vulnerabilities

Original NVD description (English source)

Unauthenticated ReDoS via CODEOWNERS pattern matching allows denial of service

Vulnerability data from NVD (NIST) · CISA KEV · EPSS