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CVE-2026-45781 MCP Registry: OCI ownership validation fails open on upstream rate limits, allowing attacker-controlled package claims

🗓️ 14 May 2026 21:00:49Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

CVE-2026-45781: MCP Registry OCI ownership validation is open under rate limits, enabling namespace claims.

Related
Affected
Refs
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ATTACKERKB
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21 May 202607:21
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12 May 202621:41
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CNNVD
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14 May 202600:00
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14 May 202621:00
cve
EUVD
EUVD-2026-30489
19 May 202615:39
euvd
Github Security Blog
MCP Registry: OCI validator skips ownership check on upstream rate limits
19 May 202615:39
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NVD
CVE-2026-45781
14 May 202621:16
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OSV
CGA-2PX9-J47V-C48R
21 May 202605:15
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OSV
GHSA-2V5F-5R6W-P67R MCP Registry: OCI validator skips ownership check on upstream rate limits
19 May 202615:39
osv
Rows per page
[
  {
    "vendor": "modelcontextprotocol",
    "product": "registry",
    "versions": [
      {
        "version": "< 1.7.9",
        "status": "affected"
      }
    ]
  }
]

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