Vulnerability · Published Sep 30, 2026 · Assigned by JetBrains
CVE-2026-100262
High 7.6
In plain English
A high-severity incorrect authorization in YouTrack from JetBrains. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 11% of all known vulnerabilities).
Severity (CVSS 3.1)7.6High
Exploit odds (30 days)0.2%top 88.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In JetBrains YouTrack before 2026.2.18991 missing authorisation allowed users with read-only project access to overwrite project notification templates
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:L