CVE-2026-57926 Details
Description
In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack
A prototype pollution vulnerability has been identified in the websandbox bridge of JetBrains YouTrack, prior to version 2026.2.16593. This vulnerability allows for unauthorized modification of object prototypes, which can lead to various types of attacks, such as injecting malicious properties or methods into objects, potentially disrupting the application's functionality or security.
Users can update to JetBrains YouTrack version 2026.2.16593 or later to address this vulnerability.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Jun 26, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.jetbrains.com/privacy-security/issues-fixed/ | [email protected] | Vendor Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-1321 | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') | [email protected] |
| CWE-1321 | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| jetbrains youtrack | < 2026.2.16593 |
CPE
Remediation
| |
Change History
3 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 27, 2026 | Initial Analysis | [email protected] |
| Jun 26, 2026 | New CVE Received | [email protected] |
| Jun 26, 2026 | CVE Modified | CISA-ADP |