Prototype Pollution in JetBrains YouTrack before 2026.2.16593 Websandbox Bridge
CVE-2026-57926 Published on June 26, 2026
In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack
Vulnerability Analysis
CVE-2026-57926 is exploitable with network access, requires user interaction and a small amount of user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is a Prototype Pollution Vulnerability?
The software receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype.
CVE-2026-57926 has been classified to as a Prototype Pollution vulnerability or weakness.
Products Associated with CVE-2026-57926
Want to know whenever a new CVE is published for JetBrains Youtrack? stack.watch will email you.
Affected Versions
JetBrains YouTrack:- Before 2026.2.16593 is affected.