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Apache Pulsar 2.6

Support for Apache Pulsar 2.6 ended on 17/06/2021. There are no more security updates for this branch.

End of support reached

Latest version: 2.6.4, released on 02/06/2021

End of support: 17/06/2021

16 known vulnerabilities open in 2.6.4

Vulnerabilities in Apache Pulsar 2.6

17 vulnerabilities from the NVD affect at least one version of this branch. Last checked on 02/11/2026.

CVE-2024-27317, CVSS 3.1: 9.9: still open in 2.6.4
CVE-2024-27135, CVSS 3.1: 9.9: still open in 2.6.4
CVE-2021-22160, CVSS 3.1: 9.8: still open in 2.6.4
CVE-2024-27894, CVSS 3.1: 8.8: still open in 2.6.4
CVE-2023-30429, CVSS 3.1: 8.8: still open in 2.6.4
CVE-2022-34321, CVSS 3.1: 8.2: still open in 2.6.4
CVE-2022-33684, CVSS 3.1: 8.1: still open in 2.6.4
CVE-2023-37544, CVSS 3.1: 7.5: still open in 2.6.4
CVE-2023-51437, CVSS 3.1: 7.4: still open in 2.6.4
CVE-2023-37579, CVSS 3.1: 6.5: still open in 2.6.4
CVE-2023-31007, CVSS 3.1: 6.5: still open in 2.6.4
CVE-2022-24280, CVSS 3.1: 6.5: still open in 2.6.4
CVE-2025-30677, CVSS 4.0: 6.3: still open in 2.6.4
CVE-2022-33683, CVSS 3.1: 5.9: still open in 2.6.4
CVE-2022-33682, CVSS 3.1: 5.9: still open in 2.6.4
CVE-2022-33681, CVSS 3.1: 5.9: still open in 2.6.4
CVE-2021-41571, CVSS 3.1: 6.5: fixed in 2.6.4

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