CVE-2026-86498 | BDVDB-2026-368908 Detail

JetBrainsYouTrack

Description#

In JetBrains YouTrack before 2025.3.160480, 2026.1.14047 pUT requests on link sub-resources allowed modification linked entities without update permission

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-863 Incorrect Authorization

References#

https://www.jetbrains.com/privacy-security/issues-fixed/

Exploit#

No public exploit known

History#

Version 12026-09-07Record published in the CVE List.
Version 22026-09-08Most recent update recorded in the CVE List.

Published

Published: 2026-09-07
Last modified: 2026-09-08

Vendor information

Vendor: JetBrains
Product: YouTrack

All JetBrains vulnerabilities

Score

7.7 High

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 22.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Incorrect Authorization

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 2025.3.160480, 2026.1.14047
Fixed
2025.3.160480, 2026.1.14047

Scoring System

CVSS v4.0

Not available

CVSS v3.1

7.7 High

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	None
Scope	Changed
Confidentiality	None
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).