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THREAT OPS › Threat News › [NVD] CVE-2026-18704 (MEDIUM 6.5) — An issue in MongoDB Server's aggregation framework could allow an authenticated user with only read privileges to perform write operations against collections they should not be able to modify. This is due to an internal-use aggregation stage being reachable by external clients w

[NVD] CVE-2026-18704 (MEDIUM 6.5) — An issue in MongoDB Server's aggregation framework could allow an authenticated user with only read privileges to perform write operations against collections they should not be able to modify. This is due to an internal-use aggregation stage being reachable by external clients w

mednvdPublished 2026-08-11

CVE-2026-18704 CVSS: 6.5 MEDIUM Published: 2026-08-11T19:17:25.050

An issue in MongoDB Server's aggregation framework could allow an authenticated user with only read privileges to perform write operations against collections they should not be able to modify. This is due to an internal-use aggregation stage being reachable by external clients without an appropriate authorization check on its emb

Indicators of compromise

CVE-2026-18704cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-18704