CVE-2026-100267CWE-1333

CVE-2026-100267

Medium · published September 30, 2026

CVSS v3.1
5.9
EPSS
0%
Percentile
20.0
In the wild
Unconfirmed
What it is

In JetBrains YouTrack before 2026.2.19197 reDoS attack was possible via mailbox regex mail-rule filters

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00286 · 20.0th percentile
Weakness
CWE-1333 · Inefficient Regular Expression Complexity
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 reDoS attack was possible via mailbox regex mail-rule filters
    cvelistv5