CVE-2026-100263Published
In JetBrains YouTrack before 2026.2.18991 stored HTML injection via the User-Agent header was possible
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-2026-100263 · Microsoft / collected KEV context
cve-program · CVE-2026-100263
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.