CVE-2026-100258Medium· 4.3▾ SunlitIn JetBrains YouTrack before 2026.2.18991 missing authorisation allowed read-only users to read project settings
▾ Sunlit zone — Low / medium · no exploitation signal
impact 23.7 · likelihood 0.1 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 1.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.8%
Last analysed / modified upstream
In JetBrains YouTrack before 2026.2.18991 missing authorisation allowed read-only users to read project settings
youtrack < 2026.2.18991Upgrade past the affected range:
youtrack 2026.2.18991Connected by shared product, vendor, weakness, or advisory.
CVE-2026-86497Medium· 6.8In JetBrains YouTrack before 2026.2.18769 changing a mailbox host without re-authentication allowed a project administrator to exfiltrate stored mailbox credentials
CVE-2026-111092Medium· 6.5In JetBrains YouTrack before 2026.2.19575 2026.3.16075 2026.3.16397 2026.3.16402 mail rules allowed a project admin to execute cross-project issue commands
CVE-2026-103488High· 7.1In JetBrains YouTrack before 2026.2.19422 missing authorisation allowed authenticated users to add themselves to project teams and access restricted issues
CVE-2026-103489Low· 2.0In JetBrains YouTrack before 2026.2.19422 hTML injection in VCS command failure notifications was possible
CVE-2026-103490High· 7.2In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group links
CVE-2026-103491Medium· 6.5In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues