CVE-2026-100266 JetBrains Hub - Authentication Bypass

JetBrains Hub < 2026.2.52366 contains an authentication bypass caused by missing authorization, letting authenticated users send arbitrary emails from the server's trusted address, exploit requires user authentication.

CVSS base score 7.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.23% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Broken Authentication
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Published
30 September 2026
Updated
15 October 2026
Weakness
CWE-862

Vendor fix

Update to version 2026.2.52366 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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