Skip to main content
VulnerabilityPublished

CVE-2026-75047: JetBrains YouTrack · CWE-409

Affects JetBrains YouTrackSource CVE Database V5

0

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

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
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:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
JetBrainsYouTrackAffected
  • <2026.2.18177
Fixed in
  • 2026.2.18177

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.

References

Community reviews

Loading reviews…