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JetBrains security advisory (AV26-825)

unknown
Serial Number: AV26-825 Date: August 18, 2026 As of August 17, 2026, JetBrains is affected by vulnerabilities in the following products: IntelliJ IDEA Prior to 2026.1.5 Prior to 2026.2.1 Ktor Prior to 3.4.1 PyCharm Prior to 2026.2.1 YouTrack Prior to 2025.3.156085 Prior to 2026.1.13901 Prior to 2026.1.13903 Prior to 2026.1.13913 Prior to 2026.1.13914 Prior to 2026.2.17917 Prior to 2026.2.17950 Prior to 2026.2.18068 Prior to 2026.2.18095 Prior to 2026.2.18112 The Cyber Centre encourages users and administrators to review the provided web link and apply any necessary updates as they become available. Fixed security issues

CSIRTS triage

vendor: JetBrainsOtheraffected: IntelliJ IDEA <2026.1.5 and <2026.2.1, Ktor <3.4.1, PyCharm <2026.2.1, YouTrack <2025.3.156085 and multiple 2026.x versions
What
JetBrains products (IntelliJ IDEA, Ktor, PyCharm, YouTrack) contain multiple unspecified security issues.
Who is affected
Users of IntelliJ IDEA, Ktor, PyCharm, and YouTrack on the specified versions.
Urgency
Unknown; severity not stated, but affects widely-used development tools across multiple products.
Action
Update IntelliJ IDEA, PyCharm, Ktor, and YouTrack to the specified patched versions.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source
Canadian Centre for Cyber Security (CA · national-cert · site)
Severity
unknown
Published
2026-08-18
Exploitation
Not in CISA KEV at last sync

Original advisory: https://cyber.gc.ca/en/alerts-advisories/jetbrains-security-advisory-av26-825

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