CVE-2026-75045: JetBrains YouTrack · CWE-288
Affects JetBrains YouTrackSource CVE Database V5
Not known to be exploited · CVSS 9.1 Critical : upgrade to 2025.3.156085 as a priority.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 40% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers can reliably automate steps 1–4 of the kill chain
- Technical impact
- Total control over the software or total information disclosure
CISA SSVC assessment, 2026-08-17.
- Patch
- Available – fixed in 2025.3.156085
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 17 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade JetBrains YouTrack to 2025.3.156085.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| JetBrainsYouTrack | Affected
| Fixed in
|
AI-suggested
Upgrade JetBrains YouTrack to version 2025.3.156085 or later, where this vulnerability is fixed. No other mitigations are indicated by the vendor advisory. Since this is not a cloud service, patching the affected software version is required to remediate the issue.
Description
CVE-2026-75045 is a critical vulnerability in JetBrains YouTrack before version 2025.3.156085. It allows an unauthenticated attacker to download database backups by exploiting a shared draft signature mechanism. This vulnerability has a high CVSS score of 9.1, indicating severe confidentiality and integrity impacts without requiring authentication or user interaction. The issue is fixed starting from version 2025.3.156085.