CVE-2026-55103Published
Discourse ActivityPub: Fix inbound actor validation and apply outbound request SSRF hardening
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-55103 · Microsoft / collected KEV context
cve-program · CVE-2026-55103
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.