CVE-2026-100277CWE-863broken-access-control

CVE-2026-100277

High · published September 30, 2026

CVSS v3.1
8.9
EPSS
0%
Percentile
19.7
In the wild
Unconfirmed
What it is

In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature

The record
Technical detail
CVSS v3.1
8.9 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.00283 · 19.7th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-09-30T20:16Z
Affected products (1)
ProductVersionsFixed in
jetbrains/youtrack< 2026.2.191972026.2.19197
References (1)
https://www.jetbrains.com/privacy-security/issues-fixed/ · [email protected]
EPSS history
Timeline
  • 02 OCT 03:41Z
    EPSS moved — → 0%
    epss
  • 30 SEP 15:17Z
    In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature
    cvelistv5