Atlassian Confluence Server and Data Center known exploited vulnerabilities
We track 9 CVEs in Atlassian Confluence Server and Data Center. All of them are on CISA's Known Exploited Vulnerabilities catalog, meaning CISA has evidence of exploitation in the wild (listed 2021–2024). CISA flags 7 of them as used in ransomware campaigns. The most recent is CVE-2023-22527, added to KEV on .
Also listed as: Confluence · Confluence Data Center and Server · Confluence Server · Confluence Server and Data Server. CISA, NVD and vendor advisories name the same product differently; each CVE page keeps the wording from its source.
- CVEs tracked
- 9
- On CISA KEV
- 9
- Ransomware use
- 7
- Rated critical
- 7
Every Atlassian Confluence Server and Data Center CVE we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV | Patch by |
|---|---|---|---|---|---|
| CVE-2023-22527 Atlassian Confluence Data Center and Server Template Injection Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 100.0% | ||
| CVE-2023-22518 Atlassian Confluence Data Center and Server Improper Authorization Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 100.0% | ||
| CVE-2023-22515 Atlassian Confluence Data Center and Server Broken Access Controlransomware usewrite-up | [ CRITICAL ] | 9.8 | 99.2% | ||
| CVE-2022-26138 Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability | [ CRITICAL ] | 9.8 | 98.2% | ||
| CVE-2022-26134 Atlassian Confluence OGNL Injection Remote Code Executionransomware usewrite-up | [ CRITICAL ] | 9.8 | 100.0% | ||
| CVE-2021-26085 Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerabilityransomware use | [ MEDIUM ] | 5.3 | 99.9% | ||
| CVE-2021-26084 Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 100.0% | ||
| CVE-2019-3398 Atlassian Confluence Server and Data Center Path Traversal Vulnerability | [ HIGH ] | 8.8 | 97.0% | ||
| CVE-2019-3396 Atlassian Confluence Server and Data Center Server-Side Template Injection Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 99.9% |
Sorted by date added to KEV. Severity and CVSS as stated by NVD or the vendor; EPSS from FIRST.org. "Patch by" is CISA's BOD 22-01 deadline for US federal agencies, a useful priority signal for everyone else. Machine-readable: /api/v1/vendors/atlassian.json.
Our Atlassian Confluence Server and Data Center coverage
Every row links to its CVE record with the CISA required action, catalog coverage and primary sources. We describe impact and remediation only; no exploit code. See the full KEV tracker or compare KEV catalogs.