CVE-2026-39972
HighAdvisory
Published 8 Apr 2026In the index since 8 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.1
- base score, highest
- EPSS
- 0.003
- 27th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 2
- of 17,781 indexed, latest versions
- Container images
- 2
- deployed by those charts
- Fix available
- 1 of 1
- affected package
mercure has Topic Selector Cache Key Collision
Carried by container images the latest versions of 2 of 17,781 indexed charts deploy, on 2 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| github.com/ | v0.20.2, v0.21.8 | 0.22.0 | 2 |
- OSV records
- GHSA-hwr4-mq23-wcv5
- Also known as
- GO-2026-5444
Charts affected
2 by stars
Container images carrying it
2 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| castopod/ | 4e4f0440520f | github.com/ | 0.22.0 | 1 |
| cybrarist/ | e9e2447ac666 | github.com/ | 0.22.0 | 1 |