SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-100276

In JetBrains YouTrack before 2026.2.19197 guest users could remove a workflow action's visibility restriction and run the action

HIGH 7.5EPSS 0.22%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In JetBrains YouTrack before 2026.2.19197 guest users could remove a workflow action's visibility restriction and run the action

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS
0.22% probability · 12th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-863
Affected
jetbrains/youtrack
Source
cve@jetbrains.com
EPSS trend
0%3%5%1 October 2026: 0.29%26 October 2026: 0.22%1 October 202626 October 2026

EPSS moved from 0.3% on 1 October 2026 to 0.2% on 26 October 2026.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.