SB20260817109 - Multiple vulnerabilities in YouTrack

Description

This security bulletin contains information about 2 vulnerabilities.

1) Missing Authorization (CVE-ID: CVE-2026-75049)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to disclose restricted articles from other projects.

The vulnerability exists due to improper authorization in the draft creation endpoint when handling draft creation requests. A remote user can send a request to the draft creation endpoint to disclose restricted articles from other projects.

2) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-75050)

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to allocation of resources without limits or throttling in type parameter processing when handling crafted type parameters. A remote attacker can send crafted type parameters to cause a denial of service.

Remediation

Install update from vendor's website.

References

• https://www.jetbrains.com/privacy-security/issues-fixed/#578f5f06a5f61020b624665014ff22b8
• https://www.jetbrains.com/privacy-security/issues-fixed/#48e5625de0dc113720294d9dda2269ed