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CVE-2026-86488

Medium

Description

In JetBrains YouTrack before 2026.2.18634 iDOR via the watchRules and issueListConfig endpoints exposed private saved searches

SeverityMedium
CVSS6.5
Exploit probability—
ProductYouTrack
PublishedSep 7, 2026
First seenSep 7, 2026
Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update
  • JetBrains YouTrack2026.2.18634 or later

Affected products

ProductAffected versionsFixed in
JetBrains YouTrackv < 2026.2.186342026.2.18634

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