CVE-2026-86497CWE-201

CVE-2026-86497

Medium · published September 7, 2026

CVSS v3.1
6.8
EPSS
1%
Percentile
42.9
In the wild
Unconfirmed
What it is

In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials

The record
Technical detail
CVSS v3.1
6.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00513 · 42.9th percentile
Weakness
CWE-201 · Insertion of Sensitive Information Into Sent Data
Published
2026-09-07T21:17Z
References (1)
https://www.jetbrains.com/privacy-security/issues-fixed/ · [email protected]
EPSS history
Timeline
  • 09 SEP 03:20Z
    EPSS moved — → 0%
    epss
  • 07 SEP 16:26Z
    In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox…
    cvelistv5