CVE-2026-57926

Prototype Pollution in JetBrains YouTrack Websandbox Bridge Before 2026.2.16593

Published Jun 26, 2026 CVSS 3.1 · 2.6 Low EPSS < 1% KEV · Not listed
Description
In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains youtrack
Vendors & Products Jetbrains
Jetbrains youtrack
Type Values Removed Values Added
Title Prototype Pollution in JetBrains YouTrack Websandbox Bridge Before 2026.2.16593
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack
Weaknesses CWE-1321
References
Metrics cvssV3_1

{'score': 2.6, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
Jun 26, 2026, 1:45 PM
Reserved
Jun 26, 2026, 12:21 PM
Status
Analyzed
Published
Jun 26, 2026, 2:17 PM
Modified
Oct 25, 2026, 10:10 PM