Findings

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.

  1. 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

  2. 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.

  3. 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.

  4. 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
  • 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

References

CVE-2022-26134 · ZeroDay Findings