CVE-2026-75047: JetBrains YouTrack · CWE-409
Affects JetBrains YouTrackSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium : upgrade to 2026.2.18177 when convenient.
Data as of 26 Oct 2026, 12:29 UTC
- EPSS
- 1.1% chance of exploitation in 30 days – higher than 67% 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 2026.2.18177
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitation 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 2026.2.18177.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| JetBrainsYouTrack | Affected
| Fixed in
|
AI-suggested
Upgrade JetBrains YouTrack to version 2026.2.18177 or later, where the vulnerability is fixed. No other mitigation or workaround is indicated.
Description
CVE-2026-75047 is a denial-of-service vulnerability in JetBrains YouTrack versions before 2026.2.18177. It involves a decompression bomb attack via the import endpoint, which can cause resource exhaustion and service disruption. The vulnerability is fixed in version 2026.2.18177.