deepstream: PATCH_MULTI action bypasses Valve permission system allowing unauthorized record writes

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

CVE-2026-63116 · Microsoft / collected KEV context

EUVD-2026-84001

GHSA-89vx-jh4q-vg3w

cve-program · CVE-2026-63116

• https://github.com/deepstreamIO/deepstream.io/security/advisories/GHSA-89vx-jh4q-vg3w
• https://github.com/deepstreamIO/deepstream.io/commit/1c2adde6581c53ef47e204364bc740bc3c2e2e2a
• https://github.com/deepstreamIO/deepstream.io/releases/tag/v10.1.1

euvd · EUVD-2026-84001

• https://github.com/deepstreamIO/deepstream.io/security/advisories/GHSA-89vx-jh4q-vg3w
• https://github.com/deepstreamIO/deepstream.io/commit/1c2adde6581c53ef47e204364bc740bc3c2e2e2a
• https://github.com/deepstreamIO/deepstream.io/releases/tag/v10.1.1

nvd · CVE-2026-63116

• https://github.com/deepstreamIO/deepstream.io/commit/1c2adde6581c53ef47e204364bc740bc3c2e2e2a
• https://github.com/deepstreamIO/deepstream.io/releases/tag/v10.1.1
• https://github.com/deepstreamIO/deepstream.io/security/advisories/GHSA-89vx-jh4q-vg3w

osv · GHSA-89vx-jh4q-vg3w

• https://github.com/deepstreamIO/deepstream.io/security/advisories/GHSA-89vx-jh4q-vg3w
• https://nvd.nist.gov/vuln/detail/CVE-2026-63116
• https://github.com/deepstreamIO/deepstream.io/commit/1c2adde6581c53ef47e204364bc740bc3c2e2e2a
• https://github.com/deepstreamIO/deepstream.io
• https://github.com/deepstreamIO/deepstream.io/releases/tag/v10.1.1

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