Jetbrains Youtrack — CVE-2026-57926 (Critical)

Date Jun 26, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product Jetbrains · Youtrack

CVE CVE-2026-57926

Critical vendor advisory CVE-2026-57926

Summary

In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack

Why it matters

This CVE carries a CRITICAL severity rating (CVSS 2.6) in Jetbrains Youtrack. Patch or mitigate promptly. EPSS percentile: 32%.

Operator check

Review CVE-2026-57926 in your asset inventory. Apply patches per vendor guidance and verify Youtrack is not exposed. CVSS score: 2.6. EPSS probability: 0.4%; percentile: 32%.

Sources

NVD — CVE-2026-57926 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

Get watched-vendor alerts Subscribe free Back to feed