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CVE-2023-22518

CISA KEV

Published November 7, 2023 · Updated April 3, 2026

high
Official Description+

Atlassian Confluence Data Center and Server contain an improper authorization vulnerability that can result in significant data loss when exploited by an unauthenticated attacker. There is no impact on confidentiality since the attacker cannot exfiltrate any data.

Affected Products

VendorProduct
AtlassianConfluence Data Center and Server

Patch Status

Patch by 2023-11-28

Recommended Actions

  1. Check if your systems use any of the affected products listed above.
  2. Apply vendor patches immediately if available.
  3. This vulnerability is in CISA's Known Exploited Vulnerabilities catalog — prioritize remediation.
  4. Monitor vendor advisories for updates and additional mitigations.
  5. Review logs for indicators of compromise related to CVE-2023-22518.