CVE-2026-71888: Atlassian Cryptographic Failure org.bouncycastle:bcpkix-jdk18on, org.bouncycastle:bcutil-jdk18on Dependency in Bamboo Data Center
This Atlassian advisory covers CVE-2026-71888 in Bamboo Data Center and Server and Fisheye/Crucible.
Key facts
- Vendor rating
- High, CVSS 8.7
- 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 4 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, Fisheye/Crucible: 4.9.15 recommended
- Source published
- Listed by VulniPulse
Compiled by VulniPulse from the linked sources. How records are collected and checked.
Affected products & platforms
Description
Cryptographic Failure org.bouncycastle:bcpkix-jdk18on, org.bouncycastle:bcutil-jdk18on Dependency in Bamboo Data Center. Affected: Bamboo Data Center and Server, Fisheye/Crucible.
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
- Fisheye/Crucible: 4.9.0 to 4.9.14
Official advisory · high-confidence parse· fetched ·verify at source
How to fix CVE-2026-71888
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
- Fisheye/Crucible: 4.9.15 recommended
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; Fisheye/Crucible: 4.9.15 recommended.
CVE-2026-71888 in other vendors' advisories
- Red Hat: CVE-2026-71888, high severity, fixed in ocp-tools-4/jenkins-rhel8:1792044386, ocp-tools-4/jenkins-rhel9:1792040096, ocp-tools-4/jenkins-rhel9:1792040287 and 9 more
More Atlassian advisories
CVE-2026-71891Oct 20, 2026Cryptographic Failure org.bouncycastle:bcprov-jdk18on Dependency in Bamboo Data CenterCVE-2026-71889Oct 20, 2026Cryptographic Failure org.bouncycastle:bcpkix-jdk18on, org.bouncycastle:bcprov-jdk18onCVE-2026-59651Oct 20, 2026Security Misconfiguration org.bouncycastle:bcprov-jdk18on Dependency in Bamboo Data CenterCVE-2026-59645Oct 20, 2026DoS (Denial of Service) org.bouncycastle:bcutil-jdk18on Dependency in Bamboo Data CenterCVE-2026-58061Oct 20, 2026Cryptographic Failure org.bouncycastle:bcprov-jdk18on Dependency in Bamboo Data CenterCVE-2026-12860Oct 20, 2026Cryptographic Failure org.bouncycastle:bcprov-jdk18on Dependency in Bamboo Data Center
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