Description
In JetBrains YouTrack before 2025.3.161254,
2026.1.14042 improper authentication in YouTrack Helpdesk allowed unauthenticated account takeover via a self-asserted email address
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| JetBrains | YouTrack | < 2025.3.161254, 2026.1.14042 | 2025.3.161254, 2026.1.14042 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
LHeiakim/CVE-2026-86478-PoC ★ 0 · Oct 21, 2026
CVE-2026-86478 - JetBrains YouTrack Helpdesk unauthenticated account takeover via self-asserted email (CVSS 9.8)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- WID-SEC-2026-3226 JetBrains You Track: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 7, 2026