CVE-2026-123319: Low severity vulnerability

Published Nov 6, 2026

Updated

In JetBrains Ktor before 3.6.1 missing Domain attribute validation in client cookie storage allowed cookie injection

Event History

Nov 6, 2026

CVE Published

via MITRE·10:28 AM

Data Sourced

via MITRE·10:28 AM

DescriptionSeverityWeakness

Frequently Asked Questions

Who is exposed to this issue?

Applications using JetBrains Ktor client cookie storage in versions before 3.6.1 are affected.

What does an attacker need to exploit it?

The vulnerability is remotely exploitable without privileges or user interaction, but it has high attack complexity. Successful exploitation allows cookie injection.

What is the security impact?

The reported impact is limited to integrity, with no reported confidentiality or availability impact.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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