{"id":"CVE-2022-26134","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-26134","generatedAt":"2026-10-31T12:57:13.487Z","title":"Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability","description":"In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.","published":"2022-06-03T22:15:08.000Z","lastModified":"2026-06-17T04:34:45.000Z","status":"Analyzed","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-917"],"affected":["atlassian/confluence data center","atlassian/confluence server"],"epss":{"score":0.99999,"percentile":0.99993,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2022-06-02","dueDate":"2022-06-06","knownRansomwareCampaignUse":"Known","notes":"Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is successfully deployed, agencies can reassess the internet blocking rules.\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-26134"},"exploits":{"count":1,"verified":false,"firstPublished":"2022-06-10","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":50952,"kind":"exploit","title":"Confluence Data Center 7.18.0 - Remote Code Execution (RCE)","url":"https://www.exploit-db.com/exploits/50952","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/java/webapps/50952.py","file":"exploits/java/webapps/50952.py","published":"2022-06-10","added":"2022-06-10","updated":"2022-06-10","author":"Fellipe Oliveira","type":"webapps","platform":"java","port":null,"verified":false,"codes":["CVE-2022-26134"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 6 June 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"security@atlassian.com"},{"url":"http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html","tags":["Third Party Advisory","VDB Entry"],"source":"security@atlassian.com"},{"url":"http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html","tags":["Third Party Advisory","VDB Entry"],"source":"security@atlassian.com"},{"url":"http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"security@atlassian.com"},{"url":"https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html","tags":["Vendor Advisory"],"source":"security@atlassian.com"},{"url":"https://jira.atlassian.com/browse/CONFSERVER-79016","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"security@atlassian.com"},{"url":"http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html","tags":["Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://jira.atlassian.com/browse/CONFSERVER-79016","tags":["Issue Tracking","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26134","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-26134","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."}