CVE-2026-33946
HighAdvisory
Published 27 Mar 2026In the index since 8 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 8.2
- base score, highest
- EPSS
- 0.005
- 39th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 1
- of 17,781 indexed, latest versions
- Container images
- 1
- deployed by those charts
- Fix available
- 1 of 1
- affected package
MCP Ruby SDK: Insufficient Session Binding Allows SSE Stream Hijacking via Session ID Replay
Carried by container images the latest versions of 1 of 17,781 indexed charts deploy, on 1 image.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| mcpgem | 0.4.0 | 0.9.2 | 1 |
- OSV records
- GHSA-qvqr-5cv7-wh35
Charts affected
1 by stars
Container images carrying it
1 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/ | a058034ca006 | mcp | 0.9.2 | 1 |