Mafintosh's protocol-buffers-schema is vulnerable to prototype pollution

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-5758 · Microsoft / collected KEV context

EUVD-2026-22993

GHSA-j452-xhg8-qg39

cve-program · CVE-2026-5758

• https://github.com/mafintosh/protocol-buffers-schema/pull/70
• https://morielharush.github.io/2026/04/12/cve-2026-5758-protocol-buffers-schema-prototype-pollution/

euvd · EUVD-2026-22993

• https://github.com/mafintosh/protocol-buffers-schema/pull/70
• https://morielharush.github.io/2026/04/12/cve-2026-5758-protocol-buffers-schema-prototype-pollution/

nvd · CVE-2026-5758

• https://github.com/mafintosh/protocol-buffers-schema/pull/70
• https://morielharush.github.io/2026/04/12/cve-2026-5758-protocol-buffers-schema-prototype-pollution/

osv · GHSA-j452-xhg8-qg39

• https://nvd.nist.gov/vuln/detail/CVE-2026-5758
• https://github.com/mafintosh/protocol-buffers-schema/pull/70
• https://github.com/mafintosh/protocol-buffers-schema
• https://morielharush.github.io/2026/04/12/cve-2026-5758-protocol-buffers-schema-prototype-pollution

No related operational record is retained in the current change model.