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THREAT OPS › Threat News › [NVD] CVE-2026-18703 (MEDIUM 4.2) — An issue in MongoDB Server could allow a party with a valid client certificate and a corresponding user account to authenticate using a certificate-based authentication method, even when an administrator has configured the server to restrict authentication to other mechanisms. Th

[NVD] CVE-2026-18703 (MEDIUM 4.2) — An issue in MongoDB Server could allow a party with a valid client certificate and a corresponding user account to authenticate using a certificate-based authentication method, even when an administrator has configured the server to restrict authentication to other mechanisms. Th

mednvdPublished 2026-08-11

CVE-2026-18703 CVSS: 4.2 MEDIUM Published: 2026-08-11T19:17:24.900

An issue in MongoDB Server could allow a party with a valid client certificate and a corresponding user account to authenticate using a certificate-based authentication method, even when an administrator has configured the server to restrict authentication to other mechanisms. This could allow authentication through a method the a

Indicators of compromise

CVE-2026-18703cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-18703