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Fencer Vulns
critical 9.8

CVE-2019-12867 json

Certain actions could cause privilege escalation for issue attachments in JetBrains YouTrack.

published 2019-07-03 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-4446

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.0%
EPSS 2.0% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

Certain actions could cause privilege escalation for issue attachments in JetBrains YouTrack. The issue was fixed in 2018.4.49168.

Patch / fix

  • jetbrains youtrack 2018.4.49168

Exploit prediction

1.99% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.