JetBrains security advisory (AV26-1050)
Canada’s Cyber Centre urged patches for vulnerabilities in JetBrains Datalore, Junie CLI, TeamCity, and YouTrack.
On October 15, 2026, the Canadian Centre for Cyber Security issued advisory AV26-1050 about vulnerabilities in JetBrains products. Affected ranges include Datalore before 2026.2.1, Junie CLI before 26.8.3, TeamCity before 2026.2, 2026.1.4, and 2025.11.8, and several YouTrack builds before the listed 2026.2 and 2026.3 fixes. The notice does not name CVEs or report exploitation. It tells administrators to review JetBrains’ security posts and apply available updates.
- Cyber Centre advisory AV26-1050 covers multiple JetBrains products.
- Affected products include Datalore, Junie CLI, TeamCity, and YouTrack.
- The bulletin lists fixed builds but no CVE identifiers.
- No active exploitation is reported; users are urged to update.
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Serial number: AV26-1050
Date: October 15, 2026
As of October 15, 2026, JetBrains is affected by vulnerabilities in the following products:
- Datalore
- Prior to 2026.2.1
- Junie CLI
- Prior to 26.8.3
- TeamCity
- Prior to 2026.2
- Prior to 2026.1.4
- Prior to 2025.11.8
- YouTrack
- Prior to 2026.2.19575
- Piror to 2026.3.16075
- Prior to 2026.3.16397
- Prior to 2026.3.16402
The Cyber Centre encourages users and administrators to review the provided web links and apply any necessary updates as they become available.
Text extracted automatically; images, tables and formatting may be missing. Original: https://cyber.gc.ca/en/alerts-advisories/jetbrains-security-advisory-av26-1050