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TI-2023-08764 Aliases CVE-2023-22526GHSA-f9mv-753f-hvx4

Code injection in Atlassian Confluence Data Center

Priority MEDIUM 43CWE-94Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-94.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01565 75th percentileScored 2026-11-07
Fix Fixed Confluence Data Center (Atlassian): < 7.13.0, >= 7.19.17, >= 8.5.5 +1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AtlassianConfluence Data Center>= 7.13.0; >= 7.19.0; >= 8.0.0; >= 8.1.0; >= 8.2.0; >= 8.3.0; >= 8.4.0; >= 8.5.0; >= 8.6.0; >= 8.7.1< 7.13.0, >= 7.19.17, >= 8.5.5, >= 8.7.2Patch availableCNA
  • Confluence Data Center VendorAtlassian Affected >= 7.13.0; >= 7.19.0; >= 8.0.0; >= 8.1.0; >= 8.2.0; >= 8.3.0; >= 8.4.0; >= 8.5.0; >= 8.6.0; >= 8.7.1 Fixed in < 7.13.0, >= 7.19.17, >= 8.5.5, >= 8.7.2 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*7.19.0 to before 7.19.17; 8.5.0 to before 8.5.5; 8.7.0 to before 8.7.2VulnerableAtlassian
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*7.19 to before 7.19.17; 8.5.0 to before 8.5.5; 8.7.0 – 8.7.2VulnerableAtlassian
  • cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* Versions 7.19.0 to before 7.19.17; 8.5.0 to before 8.5.5; 8.7.0 to before 8.7.2 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* Versions 7.19 to before 7.19.17; 8.5.0 to before 8.5.5; 8.7.0 – 8.7.2 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Confluence Data Center (Atlassian) Fixed in < 7.13.0, >= 7.19.17, >= 8.5.5, >= 8.7.2

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-22526
  2. 2026-10-03 Alias added: GHSA-f9mv-753f-hvx4

References

Advisory 1

Other 1

  • TI-2023-08765 Injection in Atlassian Confluence Data Center KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-08757 Improper input validation in Atlassian Confluence Data Center KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-09596 Expression language injection in Atlassian Confluence Data Center KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-08036 Expression language injection in Atlassian Confluence Server KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-67904 Arbitrary file access in Atlassian Data Center products KEVCVSS 4.0CRITICAL 9.3
  • TI-2023-08759 Incorrect authorization in Atlassian Confluence Data Center KEVCVSS 3.1CRITICAL 9.8
See all 38 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences