# CVE-2022-26134: Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability

> CVE-2022-26134: Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2022-26134
Last updated: 2025-10-21T23:15:38Z

- Published: 2022-06-03 21:51 UTC · Updated: 2025-10-21 23:15 UTC · Assigner: atlassian
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 100.0%, 100th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-06-02, federal due date 2022-06-06, ransomware use: Known

## 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.

## CISA required action

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.

## Affected vendors and products

- Atlassian: Confluence Data Center
- Atlassian: Confluence Server

## Tracked companies

- [Confluence](https://rewindex.com/company/confluence.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2022-26134)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2022-26134)
- [http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html](http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html)
- [http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html](http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html)
- [http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html](http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html)
- [http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html](http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html)
- [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html](https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html)
- [https://jira.atlassian.com/browse/CONFSERVER-79016](https://jira.atlassian.com/browse/CONFSERVER-79016)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2022-26134 · Markdown: https://rewindex.com/cve/CVE-2022-26134.md · JSON: https://rewindex.com/api/v1/cves/CVE-2022-26134 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:11:42.391Z