01 Record
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
CriticalKEVPUBLISHEDCNA: atlassian
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
02 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
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2022-06-02. Federal remediation due 2022-06-06. Known ransomware campaign use: reported by CISA.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 99.99% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 99.9% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-06-03 21:51Z4 YR AGO
- Last updated
- 2025-10-21 23:15Z1 YR AGO
- Reserved
- 2022-02-25
- Assigning CNA
- atlassian
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-917Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')Base
- Data version
- 5.1
- Document digest
- 22bbabafc770afc0a5c35a3c7441781fd2f917c257addd22dd81f87a8f382d7f
05 Affected products
VendorProductVersionsPlatforms
AtlassianConfluence Data Centernext of 1.3.0 to < unspecified, < 7.4.17, 7.13.0 to < unspecified, < 7.13.7, 7.14.0 to < unspecified, < 7.14.3, 7.15.0 to < unspecified, < 7.15.2, 7.16.0 to < unspecified, < 7.16.4, 7.17.0 to < unspecified, < 7.17.4, 7.18.0 to < unspecified, < 7.18.1—
AtlassianConfluence Servernext of 1.3.0 to < unspecified, < 7.4.17, 7.13.0 to < unspecified, < 7.13.7, 7.14.0 to < unspecified, < 7.14.3, 7.15.0 to < unspecified, < 7.15.2, 7.16.0 to < unspecified, < 7.16.4, 7.17.0 to < unspecified, < 7.17.4, 7.18.0 to < unspecified, < 7.18.1—
06 References
- jira.atlassian.comhttps://jira.atlassian.com/browse/CONFSERVER-79016
- packetstormsecurity.comhttp://packetstormsecurity.com/files/167432/Confluence-OGNL-Injection-Proof-Of-Concept.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/167430/Confluence-OGNL-Injection-Remote-Code-Execution.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/167431/Through-The-Wire-CVE-2022-26134-Confluence-Proof-Of-Concept.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/167449/Atlassian-Confluence-Namespace-OGNL-Injection.html
- confluence.atlassian.comhttps://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-26134