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High7.5Atlassian

CVE-2026-93748: Atlassian Information Disclosure http-cache-semantics Dependency in Jira Software Data Center

This Atlassian advisory covers CVE-2026-93748 in Jira Data Center and Server and Jira Service Management Data Center and Server.

Open the Atlassian advisory

Key facts

Vendor rating
High, CVSS 7.5
CISA KEV
Not listed (catalogue checked )
Affected
Jira Data Center and Server: 11.3.0 to 11.3.11 (LTS); Jira Data Center and Server: 11.2.0 to 11.2.1; Jira Data Center and Server: 11.1.0 to 11.1.1 and 13 more below
Fixed in
Jira Data Center and Server: 11.3.12 (LTS) recommended Data Center Only, Jira Data Center and Server: 10.3.26 (LTS) Data Center Only, Jira Service Management Data Center and Server: 11.3.12 (LTS) recommended Data Center Only and 1 more below
Source published
Listed by VulniPulse

Compiled by VulniPulse from the linked sources. How records are collected and checked.

Affected products & platforms

AtlassianJira

Description

Information Disclosure http-cache-semantics Dependency in Jira Software Data Center. Affected: Jira Data Center and Server, Jira Service Management Data Center and Server.

Listed in Atlassian's Security Bulletin of October 20 2026.

Text from the source record.

Affected versions
  • Jira Data Center and Server: 11.3.0 to 11.3.11 (LTS)
  • Jira Data Center and Server: 11.2.0 to 11.2.1
  • Jira Data Center and Server: 11.1.0 to 11.1.1
  • Jira Data Center and Server: 11.0.0 to 11.0.1
  • Jira Data Center and Server: 10.7.1 to 10.7.4
  • Jira Data Center and Server: 10.6.0 to 10.6.1
  • Jira Data Center and Server: 10.5.0 to 10.5.1
  • Jira Data Center and Server: 10.4.0 to 10.4.1
  • Jira Data Center and Server: 10.3.0 to 10.3.25 (LTS)
  • Jira Data Center and Server: 10.2.0 to 10.2.1
  • Jira Data Center and Server: 9.12.15 to 9.12.39 (LTS)
  • Jira Service Management Data Center and Server: 11.3.0 to 11.3.11 (LTS)
  • Jira Service Management Data Center and Server: 11.2.0 to 11.2.1
  • Jira Service Management Data Center and Server: 11.1.0 to 11.1.1
  • Jira Service Management Data Center and Server: 11.0.0 to 11.0.1
  • Jira Service Management Data Center and Server: 10.7.1 to 10.7.4

Official advisory · high-confidence parse· fetched ·verify at source

How to fix CVE-2026-93748

Upgrade to a fixed release named by Atlassian:

  • Jira Data Center and Server: 11.3.12 (LTS) recommended Data Center Only
  • Jira Data Center and Server: 10.3.26 (LTS) Data Center Only
  • Jira Service Management Data Center and Server: 11.3.12 (LTS) recommended Data Center Only
  • Jira Service Management Data Center and Server: 10.3.26 (LTS) Data Center Only

Vendor guidance

  • Upgrade to a fixed version listed by Atlassian: Jira Data Center and Server: 11.3.12 (LTS) recommended Data Center Only; Jira Data Center and Server: 10.3.26 (LTS) Data Center Only; Jira Service Management Data Center and Server: 11.3.12 (LTS) recommended Data Center Only; Jira Service Management Data Center and Server: 10.3.26 (LTS) Data Center Only.

Support dates for the fixed release lines

All end-of-life dates for Atlassian Jira

CVE-2026-93748 in other vendors' advisories

  • Red Hat: CVE-2026-93748, high severity, fixed in rhdh/rhdh-hub-rhel9:1792593817, rhoai/odh-feature-server-rhel9:1791863220, RHSA-2026:88198 and 1 more

Compare every advisory for CVE-2026-93748

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