Insertion of Sensitive Information Into Sent Data in YouTrack - CVE-2026-49370
Published: August 17, 2026
Vulnerability identifier: #VU143826
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-49370
CWE-ID: CWE-201
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper access control in fetchApp requests when handling requests. A remote attacker can send a crafted request to disclose sensitive information.
Affected software
YouTrack
How to mitigate CVE-2026-49370
Install security update from vendor's website.
YouTrack - update to 2026.1.13162