CVE-2026-100257: SSRF
Published Sep 30, 2026
·Updated
In JetBrains YouTrack before 2026.2.18991 sSRF via stored XHTML injection was possible during PDF export
Affected Software
1 affected component
JetBrains YouTrack<2026.2.18991
Event History
Sep 30, 2026
CVE Published
via MITRE·03:17 PM
Data Sourced
via MITRE·03:17 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What level of access does an attacker need to exploit this issue?
The vulnerability requires low-level privileges. No user interaction is required, and it can be exploited over the network.
2
Which deployments are affected?
JetBrains YouTrack versions before 2026.2.18991 are affected. The provided information does not specify whether any particular default configuration changes exposure.
3
When does the SSRF occur?
The SSRF is triggered during PDF export through stored XHTML injection. This indicates exploitation depends on attacker-controlled XHTML being stored and later processed as part of an export.