CVE-2022-26134
Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability
Published Jun 2, 2022 · updated Jun 16, 2026 · atlassian confluence data center
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.
Timeline
Detection, updates, and resolution for this record.
Jun 2, 2022 · Catalog
Detected
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
Jun 2, 2022 · CISA KEV
Known exploited
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.
Jun 6, 2022 · CISA KEV
Remediation due
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.
Jun 16, 2026 · Catalog
Updated
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
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.
CISA due date Jun 6, 2022
Affected
- cpe atlassian/confluence data centerversion unspecified
- cpe atlassian/confluence data center7.18.0
- cpe atlassian/confluence serverversion unspecified
- vendor Atlassian Confluence Server/Data Centerversion unspecified
Sources
- CISA KEVCVE-2022-26134
Atlassian Confluence Server and Data Center contain a remote code execution vulnerability that allows for an unauthenticated attacker to perform remote code execution.
cisa.gov - CVE.orgCVE-2022-26134
Official CVE identifier
cve.org - FIRST EPSSCVE-2022-26134
30-day exploitation probability 100.0%
first.org - Exploit Database50952
Public archive entry. The exploit body is not stored here.
exploit-db.com - Metasploit Modulesexploit_multi/http/atlassian_confluence_namespace_ognl_injection
Public module reference (excellent). Module source is not copied into this catalog.
rapid7.com - NIST NVDCVE-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
nvd.nist.gov - Packet Storm Securityhttp://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html
Packet Storm link already published on the finding.
packetstormsecurity.com - Packet Storm Securityhttp://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html
Packet Storm link already published on the finding.
packetstormsecurity.com - Packet Storm Securityhttp://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html
Packet Storm link already published on the finding.
packetstormsecurity.com - Packet Storm Securityhttp://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html
Packet Storm link already published on the finding.
packetstormsecurity.com