Atlassian Confluence Server and Data Center Path Traversal Vulnerability
Atlassian Confluence Server and Data Center contain a path traversal vulnerability in the downloadallattachments resource that may allow a privileged, remote attacker to write files. Exploitation can lead to remote code execution.
- Vendor
- Atlassian
- Product
- Confluence Server and Data Center
- CVSS
- 8.8
- EPSS (exploit probability)
- 97.0%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Added to KEV
Is CVE-2019-3398 being exploited?
Yes. CISA added CVE-2019-3398 to its Known Exploited Vulnerabilities catalog on . CISA only lists a CVE when it has reliable evidence of exploitation in the wild.
FIRST's EPSS model puts the probability of exploitation activity in the next 30 days at 97.0% (scored October 14, 2026).
- CISA KEV[ LISTED ]
- ENISA EUVD (exploited)[ — ]
- CIRCL KEV[ — ]
Catalog snapshot 2026-11-13. Full cross-catalog view: /kev-comparison
CVE-2019-3398 timeline
Every event links to its source. Catalog dates are each catalog's own; day offsets count from NVD publication. Data: JSON
What to do
CISA required actionApply updates per vendor instructions.
US federal civilian agencies must remediate by (181 days after listing) under BOD 22-01. Everyone else: that deadline is a sensible upper bound, not a target. Vendor guidance and the NVD record are linked under Source above.
Other Atlassian Confluence Server and Data Center CVEs we track
| CVE / Vulnerability | Severity | CVSS | EPSS | Added to KEV |
|---|---|---|---|---|
| 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-2019-3396 Atlassian Confluence Server and Data Center Server-Side Template Injection Vulnerabilityransomware use | [ CRITICAL ] | 9.8 | 99.9% |