Skip to main content
VulnerabilityPublished

CVE-2026-123850: JetBrains YouTrack · Clickjacking

Affects JetBrains YouTrackSource CVE Database V5

0
Compare

Not known to be exploited · CVSS 3.5 Low : upgrade to 2026.2.19422 when convenient.

Data as of 6 Nov 2026, 16:34 UTC

CVSS 3.1 base score
3.5Low
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (JetBrains)CVSS 3.13.5
Patch
Available – fixed in 2026.2.19422
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 6 Nov 2026.

What to do

Upgrade JetBrains YouTrack to 2026.2.19422.

Affected software

ProductAffectedFixed in
JetBrainsYouTrackAffected
  • <2026.2.19422
Fixed in
  • 2026.2.19422

Description

In JetBrains YouTrack before 2026.2.19422 cSS injection was possible in Mermaid diagrams via configuration directives

References

Community reviews

Loading reviews…