# CVE-2022-26134

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.

- Page: https://www.vulneraibility.com/cve/CVE-2022-26134
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-06-02; CISA due date 2022-06-06; known ransomware use
- EPSS: 100.00% (percentile 100.0)
- Public exploit code: 1 on Exploit-DB · 1 Metasploit module · 72 GitHub proofs of concept · 1 Nuclei template (first 2022-05-31)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-04)
- Weakness: CWE-917
- Published: 2022-06-03

## Affected versions

- Atlassian Confluence Data Center: affected >= next of 1.3.0 and < unspecified; < 7.4.17; >= 7.13.0 and < unspecified; < 7.13.7; >= 7.14.0 and < unspecified; < 7.14.3; >= 7.15.0 and < unspecified; < 7.15.2; >= 7.16.0 and < unspecified; < 7.16.4; >= 7.17.0 and < unspecified; < 7.17.4; >= 7.18.0 and < unspecified; < 7.18.1
- Atlassian Confluence Server: affected >= next of 1.3.0 and < unspecified; < 7.4.17; >= 7.13.0 and < unspecified; < 7.13.7; >= 7.14.0 and < unspecified; < 7.14.3; >= 7.15.0 and < unspecified; < 7.15.2; >= 7.16.0 and < unspecified; < 7.16.4; >= 7.17.0 and < unspecified; < 7.17.4; >= 7.18.0 and < unspecified; < 7.18.1

A version outside these ranges is not a statement that it is unaffected.

## References

- [other] https://jira.atlassian.com/browse/CONFSERVER-79016
- [other] http://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html
- [other] http://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html
- [other] http://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html
- [other] http://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html
- [other] https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26134

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.