CVE-2026-100266
In JetBrains Hub before 2026.2.52366 missing authorisation allowed authenticated users to send arbitrary emails from the server's trusted address
JetBrains Hub
CVSS
7.7HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.23%Chance of exploitation activity in the next 30 days, higher than 12% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 2026.2.52366HubCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Affected versions 1
- Hubaffected: all versions before 2026.2.52366CVE List