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RE
Product
registry
by modelcontextprotocol · last CVE May 14, 2026
5
CVEs
0
On KEV
5.4
Max CVSS
0
New 30D
Vulnerabilities5In the news0Timeline
Severity mix
Critical 0High 0Medium 3Low 1
Severity
All severities5Critical0High0Medium3Low1
Exploitation
On CISA KEV0Exploited in the wild0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-44429
5.4
0%
May 14
MCP Registry: Stored XSS in catalogue UI via attribute-quote breakout in publisher-controlled `websiteUrl`
Affected: < 1.7.7
CVE-2026-44428
4.7
0%
May 14
MCP Registry: GitHub OIDC tokens replayable across registry deployments due to shared audience
Affected: < 1.7.6
CVE-2026-44430
4.0
0%
May 14
MCP Registry: Unauthenticated SSRF: HTTP namespace verification dials 6to4 / NAT64 / site-local IPv6 addresses, bypassing private-address allowlist
Affected: < 1.7.7
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