CVE-2026-66422: Atlassian Improper Authorization org.apache.tomcat:tomcat-catalina Dependency in Bamboo Data Center
This Atlassian advisory covers CVE-2026-66422 in Bamboo Data Center and Server, Confluence Data Center and Server and Crowd Data Center and Server.
Key facts
- Vendor rating
- High, CVSS 8.1
- 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, Confluence Data Center and Server: 11.0.0 Data Center Only and 7 more below
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
Improper Authorization org.apache.tomcat:tomcat-catalina Dependency in Bamboo Data Center. Affected: Bamboo Data Center and Server, Confluence Data Center and Server, Crowd 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
- Confluence Data Center and Server: 10.2.0 to 10.2.18 (LTS)
- Confluence Data Center and Server: 10.1.0 to 10.1.2
- Confluence Data Center and Server: 10.0.2 to 10.0.3
- Confluence Data Center and Server: 9.5.1 to 9.5.4
- Confluence Data Center and Server: 9.4.0 to 9.4.1
- Confluence Data Center and Server: 9.3.1 to 9.3.2
- Confluence Data Center and Server: 9.2.0 to 9.2.25 (LTS)
- Confluence Data Center and Server: 9.1.1
- Confluence Data Center and Server: 8.9.8
- Confluence Data Center and Server: 8.5.17 to 8.5.31 (LTS)
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2026-66422
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
- Confluence Data Center and Server: 11.0.0 Data Center Only
- Confluence Data Center and Server: 10.2.19 (LTS) recommended Data Center Only
- Confluence Data Center and Server: 9.2.26 (LTS) Data Center Only
- Crowd Data Center and Server: 7.2.4 recommended 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; Confluence Data Center and Server: 11.0.0 Data Center Only; Confluence Data Center and Server: 10.2.19 (LTS) recommended Data Center Only.
Support dates for the fixed release lines
- Atlassian Confluence 10.2: support ends
- Atlassian Confluence 11.0: support ends
- Atlassian Confluence 9.2: support ends
- Atlassian Confluence 7.2: support ended
CVE-2026-66422 in other vendors' advisories
- Apache: CVE-2026-66422, high severity, fixed in 11.0.25, 10.1.58, 9.0.121
- NetApp: NTAP-20260902-0015, high severity
- Red Hat: CVE-2026-66422, low severity, fixed in 11.0.25, 10.1.58, 9.0.121 and 15 more
More Atlassian advisories
CVE-2026-68569Oct 20, 2026BASM (Broken Authentication & Session Management) org.apache.tomcat:tomcat-catalinaCVE-2026-65927Oct 20, 2026DoS (Denial of Service) org.apache.tomcat:tomcat-catalina Dependency in Bamboo Data CenterCVE-2026-65183Oct 20, 2026Race condition org.apache.tomcat:tomcat-coyote Dependency in Bamboo Data CenterCVE-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-2026-68495Oct 20, 2026DoS (Denial of Service) com.fasterxml.jackson.dataformat:jackson-dataformat-cbor
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