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Respond faster and outpace attackers. Taking command of your attack surface starts here.
Explore platform
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Attack Surface Management
Reveal & protect coverage gaps
Exposure Management
Identify & remediate at-risk data
Vulnerability Management
Pinpoint & eliminate risk
CyberGRC
Manage governance, risk & compliance
Next-Gen SIEM
Investigate with AI-driven detections
Threat Intelligence Platform
Recognize & mitigate adversaries
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Discover & defend sensitive data
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Scan & simplify dev workflows
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Preemptive MDR that disrupts attackers
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Rapid7 MDR vs. Competitors
Decide which solution fits
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Get help securing dev workflows
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Get help with defense assessment
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Metasploit
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Loading vulnerability database

BACK TO VEDB

CVE-2026-123336: JetBrains YouTrack: In JetBrains YouTrack before 2026.2.19728 the attachment size limit could be bypassed via AI assistant thread conversion

Name: CVE-2026-123336: JetBrains YouTrack: In JetBrains YouTrack before 2026.2.19728 the attachment size limit could be bypassed via AI assistant thread conversion
Creator: Rapid7
Published: 2026-11-06T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-123336, CWE-770, CVSS 3.1

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In JetBrains YouTrack before 2026.2.19728 the attachment size limit could be bypassed via AI assistant thread conversion

CVSS Details

CVSS 3.1 Base Score: 3.1
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L)

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CVE details

CVSS v4 ScoreN/A

CVSS v3 Score

3.1 Low

EPSS ScoreN/A

EPSS PercentileN/A

In CISA KEV CatalogueFalse

Published

Nov 6, 2026

References

NVD ↗
MITRE ↗

MDR Buyer's Guide

Global Threat Landscape Report

MDR Buyer's Guide

Global Threat Landscape Report

CVE-2026-123336: JetBrains YouTrack: In JetBrains YouTrack before 2026.2.19728 the attachment size limit could be bypassed via AI assistant thread conversion

CVSS Details

Prioritize with Active Threat Intelligence