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Vulnerability record · CVE-2023-22526 · published 16 January 2024

CVE-2023-22526: Atlassian confluence data center code injection vulnerability

Atlassian · Confluence Data Center

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 7.19.0 of Confluence Data Center. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.2, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center and Server 7.19: Upgrade to a release 7.19.17, or any higher 7.19.x release Confluence Data Center and Server 8.5: Upgrade to a release 8.5.5 or any higher 8.5.x release Confluence Data Center and Server 8.7: Upgrade to a release 8.7.2 or any higher release See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was discovered by m1sn0w and reported via our Bug Bounty program

8.8 CVSS 3.1 High EPSS 1.6% · top 25.7% CWE-94 · Code injection
8.8CVSS 3.1 base score
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

This High severity RCE (Remote Code Execution) vulnerability was introduced in version 7.19.0 of Confluence Data Center. This RCE (Remote Code Execution) vulnerability, with a CVSS Score of 7.2, allows an authenticated attacker to execute arbitrary code which has high impact to confidentiality, high impact to integrity, high impact to availability, and requires no user interaction. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center and Server 7.19: Upgrade to a release 7.19.17, or any higher 7.19.x release Confluence Data Center and Server 8.5: Upgrade to a release 8.5.5 or any higher 8.5.x release Confluence Data Center and Server 8.7: Upgrade to a release 8.7.2 or any higher release See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was discovered by m1sn0w and reported via our Bug Bounty program

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615 Vendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-93516 Permissions Required
https://confluence.atlassian.com/pages/viewpage.action?pageId=1333335615 Vendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-93516 Permissions Required

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-22527Atlassian Confluence Data Center and Server template injection RCEOlder versions of Confluence Data Center and Server contain a template injection flaw (CWE-74) that lets an unauthenticated attacker execute code on …KEVEPSS 100%analysed9.8CVE-2023-22518Atlassian Confluence improper authorization allows admin account creationConfluence Data Center and Server contain an improper authorization flaw that lets an unauthenticated attacker reset Confluence and create an instanc…KEVEPSS 100%analysed9.8CVE-2023-22515Atlassian Confluence Data Center and Server broken access control allows admin account creationConfluence Data Center and Server contain a broken access control flaw that lets an unauthenticated external attacker create unauthorized administrat…KEVEPSS 99%analysed9.8CVE-2022-26134Atlassian Confluence Server and Data Center OGNL injection RCEConfluence Server and Data Center contain an OGNL expression language injection flaw that lets an unauthenticated attacker execute arbitrary code on …KEVEPSS 100%analysed9.8CVE-2021-26084Atlassian Confluence Server and Data Center OGNL injection RCEConfluence Server and Data Center contain an OGNL expression language injection flaw that lets an unauthenticated attacker run arbitrary code on the …KEVEPSS 100%analysed9.8CVE-2019-3396Atlassian Confluence Widget Connector path traversal and RCE via SSTIThe Widget Connector macro in Atlassian Confluence Server and Data Center fails to safely handle template input, allowing server-side template inject…KEVEPSS 100%analysed8.8CVE-2019-3398Atlassian Confluence Server path traversal in downloadallattachmentsConfluence Server and Data Center contain a path traversal flaw in the downloadallattachments resource. An attacker with permission to add attachment…KEVEPSS 97%analysed5.3CVE-2021-26085Atlassian Confluence Server pre-auth arbitrary file read via /s/ endpointConfluence Server and Data Center expose a pre-authorization arbitrary file read through the /s/ endpoint, letting unauthenticated remote attackers v…KEVEPSS 100%analysed

Source: NIST National Vulnerability Database (record CVE-2023-22526), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.