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Critical CVE-2026-27944 Exposes Sensitive Data via Unauthenticated API Access
First seen 6 Mar 2026, 01:12 UTC
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CVE-2026-27944 was published on March 5, 2026, revealing that the /api/backup endpoint is accessible without authentication, allowing unauthenticated attackers to download sensitive system backups. These backups can contain user credentials, session tokens, SSL private keys, and Nginx configurations, which can be decrypted using disclosed encryption keys in the response header.
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Timeline
2026-03-05
CVE-2026-27944 published
2026-03-05
Details of the vulnerability reported by multiple sources
Recent
Recommendations to upgrade to Nginx UI version 2.3.3 or later
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