{"id":"CVE-2022-26133","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-26133","generatedAt":"2026-11-05T00:28:43.660Z","title":"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…","description":"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.","published":"2022-04-20T19:15:08.000Z","lastModified":"2026-06-17T04:34:45.000Z","status":"Modified","sourceIdentifier":"security@atlassian.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-502"],"affected":["atlassian/bitbucket data center"],"epss":{"score":0.70591,"percentile":0.99392,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 70.6%, higher than 99% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://confluence.atlassian.com/security/multiple-products-security-advisory-hazelcast-vulnerable-to-remote-code-execution-cve-2016-10750-1116292387.html","tags":["Patch","Vendor Advisory"],"source":"security@atlassian.com"},{"url":"https://jira.atlassian.com/browse/BSERV-13173","tags":["Vendor Advisory"],"source":"security@atlassian.com"},{"url":"https://confluence.atlassian.com/security/multiple-products-security-advisory-hazelcast-vulnerable-to-remote-code-execution-cve-2016-10750-1116292387.html","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://jira.atlassian.com/browse/BSERV-13173","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-26133","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}