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Fencer Vulns
medium 6.5

CVE-2026-100279 json

In JetBrains YouTrack before 2026.2.19197 changing an integration URL exposed its stored credentials

published 2026-09-30 40 d ago modified 2026-10-02 38 d ago also EUVD-2026-90023

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 16%
public exploits
0
none known

Summary

In JetBrains YouTrack before 2026.2.19197 changing an integration URL exposed its stored credentials

Patch / fix

  • JetBrains YouTrack 2026.2.19197

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
40 d ago

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

  • JetBrains YouTrack

Classification

Weakness
  • CWE-918 Server-Side Request Forgery

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.