Missing Authorization Affecting github.com/modelcontextprotocol/registry/internal/validators/registries package, versions <1.7.9
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMMODELCONTEXTPROTOCOLREGISTRYINTERNALVALIDATORSREGISTRIES-17115415
- published1 Jun 2026
- disclosed20 May 2026
- creditrdimitrov
Introduced: 20 May 2026
CVE-2026-45781 (opens in a new tab)How to fix?
Upgrade github.com/modelcontextprotocol/registry/internal/validators/registries to version 1.7.9 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization in the OCI validator process when upstream rate limits are encountered. An attacker can bypass intended ownership restrictions by exploiting the lack of proper checks during rate-limited conditions.