CVE-2026-39324
CriticalAdvisory
Published 8 Apr 2026In the index since 8 Sept 2026
- Severity
- Critical
- worst across findings
- CVSS
- 9.1
- base score, highest
- EPSS
- 0.003
- 19th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 5
- of 17,781 indexed, latest versions
- Container images
- 5
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Rack::Session::Cookie secrets: decrypt failure fallback enables secretless session forgery and Marshal deserialization
Carried by container images the latest versions of 5 of 17,781 indexed charts deploy, on 5 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| rack-sessiongem | 2.1.0, 2.1.1 | 2.1.2 | 5 |
- OSV records
- GHSA-33qg-7wpp-89cq
Charts affected
5 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| antigenic-docuseal-helm-chartantigenic-docuseal-helm-chartVerified publisher | 0.2.0 | 1 of 1See more | 2,766 |
| elk-stackelk-stack-test | 1.0.2 | 1 of 9See more | 2,942 |
| octoboxhalkeye | 0.1.1 | 1 of 1See more | 3,255 |
| manyfoldjeffrescVerified publisher | 1.0.3 | 1 of 1See more | 1,960 |
| maybe-financevicsuferVerified publisher | 0.2.7 | 1 of 3See more | 10,795 |
Container images carrying it
5 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| docuseal/ | 7493fd7f6728 | rack-session | 2.1.2 | 1 |
| library/ | 33eae14f0867 | rack-session | 2.1.2 | 1 |
| octoboxio/ | d909041c46eb | rack-session | 2.1.2 | 1 |
| ghcr.io/ | d14ca4d82475 | rack-session | 2.1.2 | 1 |
| ghcr.io/ | c6ab95ca9130 | rack-session | 2.1.2 | 1 |