CVE-2026-86494
Received Received - Intake

Unauthorized Link Modification in JetBrains YouTrack

Publication date: 2026-09-07

Last updated on: 2026-09-07

Assigner: JetBrains s.r.o.

Description
In JetBrains YouTrack before 2026.2.18634 cloning a whiteboard allowed unauthorized changes to links on inaccessible issues

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-07
Last Modified
2026-09-07
Generated
2026-09-07
AI Q&A
2026-09-07
EPSS Evaluated
N/A
NVD
CVE-2026-86494
EUVD
EUVD-2026-72510

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains youtrack to 2026.2.18634 (exc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

This vulnerability in JetBrains YouTrack before version 2026.2.18634 allows an attacker with access to clone a whiteboard to make unauthorized changes to links on issues they do not have permission to access. This could lead to data exposure or manipulation through modified issue links.

Impact Analysis

If you use JetBrains YouTrack before 2026.2.18634, an attacker with whiteboard cloning privileges could alter links on restricted issues, potentially exposing sensitive data or redirecting users to malicious content. This could compromise issue integrity and confidentiality.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, violating GDPR's integrity and confidentiality principles or HIPAA's safeguards for protected health information. Non-compliance risks include fines and legal penalties.

Mitigation Strategies

Update JetBrains YouTrack to version 2026.2.18634 or later to address the vulnerability.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-86494. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart