CVE-2026-59903: Atlassian Information Disclosure io.netty:netty-codec-http Dependency in Bamboo Data Center
This Atlassian advisory covers CVE-2026-59903 in Bamboo Data Center and Server, Jira Data Center and Server and Jira Service Management Data Center and Server.
Key facts
- Vendor rating
- High, CVSS 7.5
- CISA KEV
- Not listed (catalogue checked )
- Affected
- Bamboo Data Center and Server: 12.1.0 to 12.1.11 (LTS); Bamboo Data Center and Server: 12.0.0 to 12.0.2; Bamboo Data Center and Server: 11.0.0 to 11.0.8 and 13 more below
- Fixed in
- Bamboo Data Center and Server: 12.1.12 (LTS) recommended Data Center Only, Bamboo Data Center and Server: 10.2.24 (LTS) Data Center Only, Jira Data Center and Server: 11.3.12 (LTS) recommended Data Center Only and 3 more below
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
Information Disclosure io.netty:netty-codec-http Dependency in Bamboo Data Center. Affected: Bamboo Data Center and Server, 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.
- Bamboo Data Center and Server: 12.1.0 to 12.1.11 (LTS)
- Bamboo Data Center and Server: 12.0.0 to 12.0.2
- Bamboo Data Center and Server: 11.0.0 to 11.0.8
- Bamboo Data Center and Server: 10.2.0 to 10.2.23 (LTS)
- Bamboo Data Center and Server: 10.1.0 to 10.1.1
- Bamboo Data Center and Server: 10.0.3
- 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
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2026-59903
Upgrade to a fixed release named by Atlassian:
- Bamboo Data Center and Server: 12.1.12 (LTS) recommended Data Center Only
- Bamboo Data Center and Server: 10.2.24 (LTS) Data Center Only
- 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: Bamboo Data Center and Server: 12.1.12 (LTS) recommended Data Center Only; Bamboo Data Center and Server: 10.2.24 (LTS) Data Center Only; 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.
Support dates for the fixed release lines
- Atlassian Jira 10.2: support ends
- Atlassian Jira 11.3: support ends
- Atlassian Jira 10.3: support ends
CVE-2026-59903 in other vendors' advisories
- Red Hat: CVE-2026-59903, medium severity, fixed in 4.1.137, 4.2.17, io.netty/netty-codec-http:4.1.137.Final-redhat-00001 and 30 more
More Atlassian advisories
CVE-2026-75596Oct 20, 2026DoS (Denial of Service) io.netty:netty-handler Dependency in Bamboo Data CenterCVE-2026-75140Oct 20, 2026DoS (Denial of Service) org.jsoup:jsoup Dependency in Bamboo Data CenterCVE-2026-68569Oct 20, 2026BASM (Broken Authentication & Session Management) org.apache.tomcat:tomcat-catalinaCVE-2026-67213Oct 20, 2026DoS (Denial of Service) nanoid Dependency in Bamboo Data Center and ServerCVE-2026-66422Oct 20, 2026Improper Authorization org.apache.tomcat:tomcat-catalina Dependency in Bamboo Data CenterCVE-2026-65927Oct 20, 2026DoS (Denial of Service) org.apache.tomcat:tomcat-catalina Dependency in Bamboo Data Center
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