Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2023-22527
Atlassian Confluence Data Center and Server
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N C H H H 10.0 .9998 100.0 YES
AFFECTED
Product Versions Fixed
Confluence Data Center >= 8.0.0 – < 8.0.0
Confluence Server >= 8.0.0 – < 8.0.0
TIMELINE
Jan 1 Reserved by atlassian
Jan 16 Published (CNA: atlassian)
Jan 24 Added to CISA KEV, remediation due 2024-02-14
Description
A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action.
Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| January 1, 2023 | Reserved | Reserved by atlassian |
| January 16, 2024 | Published | Published (CNA: atlassian) |
| January 24, 2024 | KEV ADDED | Added to CISA KEV, remediation due 2024-02-14 |
Affected
Affected products and packages — 2 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Atlassian | Confluence Data Center | — | >= 8.0.0 | < 8.0.0 |
| Atlassian | Confluence Server | — | >= 8.0.0 | < 8.0.0 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-22527 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.