Vulnerability · Published Sep 7, 2026 · Assigned by JetBrains
CVE-2026-86486
Low 3.7
In plain English
A low-severity missing authentication 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 0.3% (higher than 18% of all known vulnerabilities).
Severity (CVSS 3.1)3.7Low
Exploit odds (30 days)0.3%top 81.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
In JetBrains YouTrack before 2026.2.18634 the generic VCS webhook handler failed open when its secret was blank
Affected products (as reported)
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N