{"id":"CVE-2023-22527","aliases":["EUVD-2023-26667","GHSA-w64x-j9r3-q79q"],"status":"published","title":"Summary of Vulnerability\nA template injection vulnerability on older versions of Confluence Data...","description":"A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action.\n\nMost recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.","severity":{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.99984,"percentile":0.99982,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-74"],"published":"2024-01-16T05:00:00Z","modified":"2026-06-17T05:35:38Z","kev":{"date_added":"2024-01-24","due_date":"2024-02-14","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Known"},"exploitation":[{"source":"euvd","since":"2024-01-24"},{"source":"kev","since":"2024-01-24"}],"exploits":[{"source":"pocgithub","id":"Avento/CVE-2023-22527_Confluence_RCE","title":"Avento/CVE-2023-22527_Confluence_RCE","date":"2024-01-16","url":"https://github.com/Avento/CVE-2023-22527_Confluence_RCE"},{"source":"pocgithub","id":"Sudistark/patch-diff-CVE-2023-22527","title":"Sudistark/patch-diff-CVE-2023-22527","date":"2024-01-16","url":"https://github.com/Sudistark/patch-diff-CVE-2023-22527"},{"source":"metasploit","id":"exploit/multi/http/atlassian_confluence_rce_cve_2023_22527","title":"Atlassian Confluence SSTI Injection","type":"exploit","platform":"Linux,Unix,Windows","date":"2024-01-16","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/multi/http/atlassian_confluence_rce_cve_2023_22527"},{"source":"pocgithub","id":"ga0we1/CVE-2023-22527_Confluence_RCE","title":"ga0we1/CVE-2023-22527_Confluence_RCE","date":"2024-01-17","url":"https://github.com/ga0we1/CVE-2023-22527_Confluence_RCE"},{"source":"pocgithub","id":"Drun1baby/CVE-2023-22527","title":"Drun1baby/CVE-2023-22527","date":"2024-01-22","url":"https://github.com/Drun1baby/CVE-2023-22527"},{"source":"pocgithub","id":"thanhlam-attt/CVE-2023-22527","title":"thanhlam-attt/CVE-2023-22527","date":"2024-01-22","url":"https://github.com/thanhlam-attt/CVE-2023-22527"},{"source":"pocgithub","id":"C1ph3rX13/CVE-2023-22527","title":"C1ph3rX13/CVE-2023-22527","date":"2024-01-23","url":"https://github.com/C1ph3rX13/CVE-2023-22527"},{"source":"pocgithub","id":"Chocapikk/CVE-2023-22527","title":"Chocapikk/CVE-2023-22527","date":"2024-01-23","url":"https://github.com/Chocapikk/CVE-2023-22527"},{"source":"pocgithub","id":"Manh130902/CVE-2023-22527-POC","title":"Manh130902/CVE-2023-22527-POC","date":"2024-01-23","url":"https://github.com/Manh130902/CVE-2023-22527-POC"},{"source":"pocgithub","id":"Niuwoo/CVE-2023-22527","title":"Niuwoo/CVE-2023-22527","date":"2024-01-23","url":"https://github.com/Niuwoo/CVE-2023-22527"},{"source":"pocgithub","id":"RevoltSecurities/CVE-2023-22527","title":"RevoltSecurities/CVE-2023-22527","date":"2024-01-23","url":"https://github.com/RevoltSecurities/CVE-2023-22527"},{"source":"pocgithub","id":"VNCERT-CC/CVE-2023-22527-confluence","title":"VNCERT-CC/CVE-2023-22527-confluence","date":"2024-01-23","url":"https://github.com/VNCERT-CC/CVE-2023-22527-confluence"},{"source":"pocgithub","id":"Vozec/CVE-2023-22527","title":"Vozec/CVE-2023-22527","date":"2024-01-23","url":"https://github.com/Vozec/CVE-2023-22527"},{"source":"pocgithub","id":"Privia-Security/CVE-2023-22527","title":"Privia-Security/CVE-2023-22527","date":"2024-01-24","url":"https://github.com/Privia-Security/CVE-2023-22527"},{"source":"pocgithub","id":"yoryio/CVE-2023-22527","title":"yoryio/CVE-2023-22527","date":"2024-01-24","url":"https://github.com/yoryio/CVE-2023-22527"},{"source":"pocgithub","id":"MaanVader/CVE-2023-22527-POC","title":"MaanVader/CVE-2023-22527-POC","date":"2024-01-25","url":"https://github.com/MaanVader/CVE-2023-22527-POC"},{"source":"pocgithub","id":"YongYe-Security/CVE-2023-22527","title":"YongYe-Security/CVE-2023-22527","date":"2024-02-02","url":"https://github.com/YongYe-Security/CVE-2023-22527"},{"source":"pocgithub","id":"Boogipop/CVE-2023-22527-Godzilla-MEMSHELL","title":"Boogipop/CVE-2023-22527-Godzilla-MEMSHELL","date":"2024-02-11","url":"https://github.com/Boogipop/CVE-2023-22527-Godzilla-MEMSHELL"},{"source":"pocgithub","id":"M0untainShley/CVE-2023-22527-MEMSHELL","title":"M0untainShley/CVE-2023-22527-MEMSHELL","date":"2024-02-26","url":"https://github.com/M0untainShley/CVE-2023-22527-MEMSHELL"},{"source":"pocgithub","id":"vulncheck-oss/cve-2023-22527","title":"vulncheck-oss/cve-2023-22527","date":"2024-03-04","url":"https://github.com/vulncheck-oss/cve-2023-22527"},{"source":"pocgithub","id":"BBD-YZZ/Confluence-RCE","title":"BBD-YZZ/Confluence-RCE","date":"2024-05-29","url":"https://github.com/BBD-YZZ/Confluence-RCE"},{"source":"pocgithub","id":"kh4sh3i/CVE-2023-22527","title":"kh4sh3i/CVE-2023-22527","date":"2024-10-06","url":"https://github.com/kh4sh3i/CVE-2023-22527"},{"source":"pocgithub","id":"thompson005/CVE-2023-22527","title":"thompson005/CVE-2023-22527","date":"2025-05-29","url":"https://github.com/thompson005/CVE-2023-22527"},{"source":"pocgithub","id":"mylo-2001/AtlassianPwn","title":"mylo-2001/AtlassianPwn","date":"2025-11-21","url":"https://github.com/mylo-2001/AtlassianPwn"},{"source":"nuclei","id":"CVE-2023-22527","title":"Atlassian Confluence - Remote Code Execution","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-22527.yaml"}],"products":[{"vendor":"atlassian","product":"confluence data center"},{"vendor":"atlassian","product":"confluence data center and server"},{"vendor":"atlassian","product":"confluence server"},{"vendor":"atlassian","product":"confluence_data_center"},{"vendor":"atlassian","product":"confluence_server"}],"references":[{"url":"https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615","tags":["x_transferred","Vendor Advisory"]},{"url":"https://jira.atlassian.com/browse/CONFSERVER-93833","tags":["x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html","tags":["x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-22527","tags":["government-resource","US Government Resource"]},{"url":"https://www.vicarius.io/vsociety/posts/pwning-confluence-via-ognl-injection-for-fun-and-learning-cve-2023-22527","tags":["Exploit"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-22527"},{"url":"https://github.com/advisories/GHSA-w64x-j9r3-q79q"}],"sources":{"cve":[{"id":"CVE-2023-22527","description":"A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action.\n\nMost recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.","status":"published","published":"2024-01-16T05:00:00.692Z","modified":"2025-10-21T23:05:28.527Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:35:15.779187Z"}],"euvd":[{"id":"EUVD-2023-26667","description":"A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action.\n\nMost recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.","status":"published","published":"2024-01-16T05:00:00Z","modified":"2025-10-21T23:05:28Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"exploited_since":"2024-01-24","updated_at":"2026-11-02T20:31:27.312976Z"}],"ghsa":[{"id":"GHSA-w64x-j9r3-q79q","title":"Summary of Vulnerability\nA template injection vulnerability on older versions of Confluence Data...","description":"Summary of Vulnerability\nA template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action.\n\nMost recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.\n\nSee “What You Need to Do” for detailed instructions.\n \n{panel:bgColor=#deebff}\nAtlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.\n{panel}\nAffected Versions\n||Product||Affected Versions||\n|Confluence Data Center and Server| 8.0.x\n 8.1.x\n 8.2.x\n 8.3.x\n 8.4.x\n 8.5.0\n 8.5.1\n 8.5.2\n 8.5.3|\nFixed Versions\n||Product||Fixed Versions||\n|Confluence Data Center and Server|8.5.4 (LTS)|\n|Confluence Data Center| 8.6.0 or later (Data Center Only)\n 8.7.1 or later (Data Center Only)|\nWhat You Need To Do\nImmediately patch to a fixed version\n\nAtlassian recommends that you patch each of your affected installations to the latest version. The listed Fixed Versions are no longer the most up-to-date versions and do not protect your instance from other non-critical vulnerabilities as outlined in Atlassian’s January Security Bulletin.\n||Product||Fixed Versions||Latest Versions||\n|Confluence Data Center and Server|  8.5.4 (LTS)|  8.5.5 (LTS)\n|Confluence Data Center| 8.6.0 or later (Data Center Only)\n  8.7.1 or later (Data Center Only)|  8.6.3 or later (Data Center Only)\n 8.7.2 or later (Data Center Only)\n\nFor additional details, please see full advisory.","status":"published","published":"2024-01-16T06:30:31Z","modified":"2025-10-22T00:32:58Z","cvss":[{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:04:07.112106Z"}],"kev":[{"id":"CVE-2023-22527","title":"Atlassian Confluence Data Center and Server Template Injection Vulnerability","description":"Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.","cwes":["CWE-74"],"kev":{"date_added":"2024-01-24","due_date":"2024-02-14","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Known"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2023-22527","description":"A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action.\n\nMost recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.","status":"published","published":"2024-01-16T05:15:08.29Z","modified":"2026-06-17T05:35:38.48Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.0","score":10,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:09:01.900189Z"}]}}