CVE-2026-75048: JetBrains YouTrack · Cross-site Scripting
Affects JetBrains YouTrackSource CVE Database V5
Not known to be exploited · CVSS 8.2 High : upgrade to 2026.2.18068 soon.
Data as of 26 Oct 2026, 14:05 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 24% 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 cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Limited control over the software or limited information exposure
CISA SSVC assessment, 2026-08-17.
- Patch
- Available – fixed in 2026.2.18068
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/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 2026.2.18068.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| JetBrainsYouTrack | Affected
| Fixed in
|
AI-suggested
Users should upgrade JetBrains YouTrack to version 2026.2.18068 or later, where this vulnerability has been fixed. Since an official fix is available, applying this update is the recommended remediation.
Description
JetBrains YouTrack versions prior to 2026.2.18068 are affected by a stored cross-site scripting (XSS) vulnerability via the fenced code-block language label. This vulnerability allows an attacker to inject malicious scripts that are stored and later executed in the context of a user's browser. The issue has been fixed in version 2026.2.18068.