CVE-2026-100266

Unauthorized Email Sending via Trusted Address

Published Sep 30, 2026 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
Description
In JetBrains Hub before 2026.2.52366 missing authorisation allowed authenticated users to send arbitrary emails from the server's trusted address

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
CPEs cpe:2.3:a:jetbrains:hub:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains hub
Vendors & Products Jetbrains
Jetbrains hub
Type Values Removed Values Added
Title Unauthorized Email Sending via Trusted Address
Type Values Removed Values Added
Description In JetBrains Hub before 2026.2.52366 missing authorisation allowed authenticated users to send arbitrary emails from the server's trusted address
Weaknesses CWE-862
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
JetBrains
Published
Updated
Sep 30, 2026, 3:48 PM
Reserved
Sep 25, 2026, 5:02 PM
Status
Analyzed
Published
Sep 30, 2026, 4:16 PM
Modified
Oct 2, 2026, 4:47 PM