Vulnerability · Published Oct 1, 2026 · Assigned by JetBrains
CVE-2026-103488
High 7.1
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)7.1High
Exploit odds (30 days)0.2%top 88.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed authenticated users to add themselves to project teams and access restricted issues
Affected products (as reported)
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N