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Type:
Public Security Vulnerability
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Resolution: Fixed
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Priority:
Highest
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Affects Version/s: 10.0.0, 10.1.1, 10.1.2, 10.2.0, 10.2.1, 10.3.0, 10.3.1, 10.3.2, 10.3.3, 10.3.4, 10.3.5, 10.3.6, 10.3.7, 10.3.8, 10.3.9, 10.3.10, 10.3.11, 10.3.12, 10.3.13, 10.3.14, 10.3.15, 10.4.0, 10.4.1, 10.5.0, 10.5.1, 10.6.0, 10.6.1, 10.7.1, 10.7.2, 10.7.3, 10.7.4, 11.0.0, 11.1.0, 11.0.1, 11.1.1, 11.2.0, 11.2.1, 11.3.0, 11.3.1, 11.3.2, 11.3.3, 11.3.4, 11.3.5, 11.3.6, 11.3.7, 11.3.8, 11.3.9, 11.3.10, 10.3.16, 10.3.17, 10.3.18, 10.3.19, 10.3.20, 10.3.21, 10.3.22, 10.3.23, 10.3.24
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Component/s: None
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9.3
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Critical
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CVE-2026-59650
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Atlassian (Internal)
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CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber
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Injection
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Jira Service Management Data Center
This is a vulnerability in a non-Atlassian Jira Service Management dependency. Atlassian's application of this dependency presents a lower, non-critical assessed risk.
This Critical severity Injection vulnerability was introduced in versions 10.0.0, 10.1.1, 10.2.0, 10.3.0, 10.4.0, 10.5.0, 10.6.0, 10.7.1, 11.0.0, 11.1.0, 11.2.0, and 11.3.0 of Jira Service Management Data Center.
This Injection vulnerability, with a CVSS Score of 9.3 and a CVSS Vector of CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber allows an unauthenticated attacker to modify the actions taken by a system call.
Atlassian recommends that Jira Service Management Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:
- Jira Service Management Data Center 10.3: Upgrade to a release greater than or equal to 10.3.25
- Jira Service Management Data Center 11.3: Upgrade to a release greater than or equal to 11.3.11
See the release notes (https://confluence.atlassian.com/servicemanagement/jira-service-management-release-notes-780083086.html). You can download the latest version of Jira Service Management Data Center from the download center (https://www.atlassian.com/software/jira/service-management/download-archives).
The National Vulnerability Database provides the following description for this vulnerability: In Bouncy Castle for Java before 1.85, MTI/A0 DH agreement exponentiates unvalidated peer value. This issue also affects Bouncy Castle for Java LTS before 2.73.12.