Vulnerability · Published Sep 7, 2026 · Assigned by JetBrains

CVE-2026-86479

High 8.0

In plain English

A high-severity missing 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 0.4% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.4%top 71.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

In JetBrains YouTrack before 2026.2.18788, 2026.1.14055, 2025.3.161254 missing authorisation allowed access to restricted REST API resources via IDOR

Affected products (as reported)

VendorProductVersions
JetBrains YouTrack 0 – before 2026.2.18788, 2026.1.14055, 2025.3.161254

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

References