CVE-2026-54905
MediumAdvisory
Published 19 Jun 2026In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 5.5
- base score, highest
- EPSS
- 0.002
- 5th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 52
- of 17,781 indexed, latest versions
- Container images
- 54
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Concurrent Ruby: `ReentrantReadWriteLock` read-count overflow grants a write lock without exclusivity
Carried by container images the latest versions of 52 of 17,781 indexed charts deploy, on 54 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| concurrent-rubygem | 1.0.5, 1.1.3, 1.1.4, 1.1.5+10 more | 1.3.7 | 54 |
- OSV records
- GHSA-wv3x-4vxv-whpp
Charts affected
52 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| velero-notificationsvelero-notifications | 1.1.0 | 1 of 1See more | 1,285 |
| maybe-financevicsuferVerified publisher | 0.2.7 | 1 of 3See more | 10,795 |
Container images carrying it
54 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| ghcr.io/ | a56dfe91f5b1 | concurrent-ruby | 1.3.7 | 1 |
| ghcr.io/ | 916746209ac5 | concurrent-ruby | 1.3.7 | 1 |
| ghcr.io/ | 63873f3f698e | concurrent-ruby | 1.3.7 | 1 |
| quay.io/ | 99079df58561 | concurrent-ruby | 1.3.7 | 1 |