CVE-2026-45781

low

Published 2026-05-14 · Modified 2026-05-19

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

3.5

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

3.5

Description

MCP Registry: OCI validator skips ownership check on upstream rate limits

Predictions

Exploit likelihood

45%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Go	github.com/modelcontextprotocol/registry	`<1.7.9`	`1.7.9`
GO	github.com/modelcontextprotocol/registry	`< 1.7.9`	`1.7.9`

References

CWEs

CWE-636

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.