CVE-2026-100280: JetBrains YouTrack · Missing Authorization
Affects JetBrains YouTrackSource CVE Database V5
Not known to be exploited · CVSS 3.1 Low : upgrade to 2026.2.19197 when convenient.
Data as of 13 Nov 2026, 23:53 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2026.2.19197
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 30 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 14 Nov 2026.
What to do
Upgrade YouTrack and com.jetbrains/youtrack to 2026.2.19197.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| JetBrainsYouTrack | Affected
| Fixed in
|
Mavencom.jetbrains/youtrackpkg:maven/com.jetbrains/youtrackOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
If you cannot patch yet, restrict access to project creation features to trusted users to reduce risk.
Description
In JetBrains YouTrack before 2026.2.19197 creating a project from an unreadable custom template was possible