CVE-2026-54905: Concurrent Ruby: `ReentrantReadWriteLock` read-count overflow grants a write lock without exclusivity
LOW
CVSS 0.0
Exploit Available
1 PoC
Published: June 19, 2026 | Last Modified: June 19, 2026
Description
Concurrent Ruby: `ReentrantReadWriteLock` read-count overflow grants a write lock without exclusivity
Ghostwire Analysis — What This Means Practically
- 1 proof-of-concept exploit available on GitHub. Public exploit code lowers the barrier for both researchers and attackers.
This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.
Proof-of-Concept Exploits (1)
Security Coverage (1 articles)
References