CVE-2022-26133
highpriority · attend · 74EPSS 0.706 · 99 %ileexploit · PoCEURUUSEPSS · scored 2026-10-27
SharedSecretClusterAuthenticator in Atlassian Bitbucket Data Center versions 5.14.0 and later before 7.6.14, 7.7.0 and later prior to 7.17.6, 7.18.0 and later prior to 7.18.4, 7.19.0 and later prior to 7.19.4, and 7.20.0 allow a remote, unauthenticated attacker to execute arbitrary code via Java deserialization.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (2)
Public proof-of-concept and weaponised exploit code.
- abbarhissarh/CVE-2022-26133CVE-2022-26133 Exploit PoC · poc_in_github
affected products (20)
Products and version ranges known to be affected.
- atlassian bitbucket data center5.14.0 → 7.6.14nvdUScpe:2.3:a:atlassian:bitbucket_data_center:*:*:*:*:*:*:*:*
- atlassian bitbucket data center7.18.0 → 7.18.4nvdUScpe:2.3:a:atlassian:bitbucket_data_center:*:*:*:*:*:*:*:*
- atlassian bitbucket data center7.19.0 → 7.19.4nvdUScpe:2.3:a:atlassian:bitbucket_data_center:*:*:*:*:*:*:*:*
- atlassian bitbucket data center= 7.20.0nvdUScpe:2.3:a:atlassian:bitbucket_data_center:*:*:*:*:*:*:*:*
- atlassian bitbucket data center7.7.0 → 7.17.6nvdUScpe:2.3:a:atlassian:bitbucket_data_center:*:*:*:*:*:*:*:*
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://confluence.atlassian.com/security/multiple-products-security-advisory-hazelcast-vulnerable-to-remote-code-execution-cve-2016-10750-1116292387.htmlcnnvd
- https://cxsecurity.com/cveshow/CVE-2022-26133/cnnvd
- https://jira.atlassian.com/browse/BSERV-13173cnnvd
- https://www.auscert.org.au/bulletins/ESB-2022.1284.4cnnvd
- https://confluence.atlassian.com/security/multiple-products-security-advisory-hazelcast-vulnerable-to-remote-code-execution-cve-2016-10750-1116292387.htmlenisa_euvd
- https://jira.atlassian.com/browse/BSERV-13173enisa_euvd
- https://confluence.atlassian.com/security/multiple-products-security-advisory-hazelcast-vulnerable-to-remote-code-execution-cve-2016-10750-1116292387.htmlPatchVendor Advisorynvd
- https://jira.atlassian.com/browse/BSERV-13173Vendor Advisorynvd
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