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GitHub Advisory Database

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

541 advisories

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MCP Python SDK: WebSocket server transport does not support Host/Origin validation High
CVE-2026-59950 was published for mcp (pip) Jul 16, 2026
nitish-yaddala Credited to nitish-yaddala, Nadav0077, dodge1218, gistrec, and u-ktdi Nadav0077 Nadav0077
dodge1218 dodge1218 gistrec gistrec u-ktdi u-ktdi
vittorio-prodomo Credited to vittorio-prodomo, mo-getter, benjaminpkane, kevin-dimichel, AdonaiVera, and AAtomical mo-getter mo-getter
benjaminpkane benjaminpkane kevin-dimichel kevin-dimichel AdonaiVera AdonaiVera AAtomical AAtomical
SiYuan: Unauthenticated Admin API Access via Blanket chrome-extension:// Origin Allowlist Critical
CVE-2026-54069 was published for github.com/siyuan-note/siyuan/kernel (Go) Jul 10, 2026
oduoke567 Credited to oduoke567
Coder's workspace app CORS origin check can be bypassed via UUID-based subdomain spoofing Moderate
CVE-2026-55438 was published for github.com/coder/coder/v2 (Go) Jul 6, 2026
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