CVE-2023-22526

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-01-16 · updated 2026-06-17
Weakness: CWE-94

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

Affected products

Atlassian Confluence Data Center: from 7.19.0 before 7.19.17; from 8.5.0 before 8.5.5; from 8.7.0 before 8.7.2 — fixed in 7.19.17, 8.5.5, 8.7.2
Atlassian Confluence Data Center: from 7.19 before 7.19.17; from 8.5.0 before 8.5.5; from 8.7.0 through 8.7.2 — fixed in 7.19.17, 8.5.5

How to fix

Upgrade to a fixed version: Atlassian Confluence Data Center 7.19.17, 8.5.5, 8.7.2; Atlassian Confluence Data Center 7.19.17, 8.5.5. Check the vendor advisory for mitigations.

References

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