CVE-2026-25536
HighAdvisory
Published 4 Feb 2026In the index since 6 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.1
- base score, highest
- EPSS
- 0.003
- 20th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 4
- of 17,781 indexed, latest versions
- Container images
- 4
- deployed by those charts
- Fix available
- 1 of 1
- affected package
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Carried by container images the latest versions of 4 of 17,781 indexed charts deploy, on 4 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| @modelcontextprotocol/ | 1.11.1, 1.12.1, 1.20.2 | 1.26.0 | 4 |
- OSV records
- GHSA-345p-7cg4-v4c7
Charts affected
4 by stars
Container images carrying it
4 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| alazidis/ | 602d4f7f090c | @modelcontextprotocol/ | 1.26.0 | 1 |
| wazuh/ | 91c8d793746f | @modelcontextprotocol/ | 1.26.0 | 1 |
| wazuh/ | 91e4f0a7feed | @modelcontextprotocol/ | 1.26.0 | 1 |
| ghcr.io/ | ace1de323f4a | @modelcontextprotocol/ | 1.26.0 | 1 |