Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-100262
JetBrains YouTrack — In JetBrains YouTrack before 2026.2.18991 missing authorisation allowed users with read-only project access to overwrite project notifica…
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L N U L H N 7.1 .0024 13.5 —
AFFECTED
Product Versions Fixed
YouTrack unspecified —
TIMELINE
Sep 25 Reserved by JetBrains
Sep 30 Published (CNA: JetBrains)
Oct 2 RESCORED — CVE-2026-100262 (JetBrains YouTrack). CVSS 7.6 → 7.1 (NVD).
Description
In JetBrains YouTrack before 2026.2.18991 missing authorisation allowed users with read-only project access to overwrite project notification templates
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| September 25, 2026 | Reserved | Reserved by JetBrains |
| September 30, 2026 | Published | Published (CNA: JetBrains) |
| October 2, 2026 | RESCORED | RESCORED — CVE-2026-100262 (JetBrains YouTrack). CVSS 7.6 → 7.1 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| JetBrains | YouTrack | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-100262 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Saturday, October 3, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
