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MCP Registry's GitHub OIDC tokens are replayable across registry deployments due to shared audience
MCP Registry's GitHub OIDC tokens are replayable across registry deployments due to shared audience
Affected packages
- github.com/modelcontextprotocol/registry
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/modelcontextprotocol/registry/security/advisories/GHSA-95c3-6vvw-4mrq
- https://nvd.nist.gov/vuln/detail/CVE-2026-44428
- https://github.com/modelcontextprotocol/registry/pull/1229
- https://github.com/modelcontextprotocol/registry/commit/3f89fc2b1fb34fd49f3c0e1b39e964a5c67b613f
- https://github.com/modelcontextprotocol/registry
- https://github.com/modelcontextprotocol/registry/releases/tag/v1.7.6
Structured record: https://osv.dev/vulnerability/GHSA-95c3-6vvw-4mrq
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