CVE-2026-34237
MediumAdvisory
Published 30 Mar 2026In the index since 6 Sept 2026
- Severity
- Medium
- worst across findings
- CVSS
- 6.1
- base score, highest
- EPSS
- 0.002
- 13th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 5
- of 17,781 indexed, latest versions
- Container images
- 4
- deployed by those charts
- Fix available
- 1 of 1
- affected package
MCP Java SDK has a Hardcoded Wildcard CORS (Access-Control-Allow-Origin: *)
Carried by container images the latest versions of 5 of 17,781 indexed charts deploy, on 4 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| mcp-coremaven | 0.13.0, 0.17.0, 0.18.0, 0.18.2 | 0.18.3 | 4 |
- OSV records
- GHSA-hv2w-8mjj-jw22
Charts affected
5 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 |
|---|---|---|---|---|
| nacos/ | 1c191c30c8cd | mcp-core | 0.18.3 | 2 |
| apache/ | 75d48a62748f | mcp-core | 0.18.3 | 1 |
| conductoross/ | 9fba127693e6 | mcp-core | 0.18.3 | 1 |
| tolgee/ | babb77cfd35e | mcp-core | 0.18.3 | 1 |