Medium severity6.5NVD Advisory· Published Aug 11, 2026· Updated Aug 28, 2026
CVE-2026-18704
CVE-2026-18704
Description
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 embedded operations.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2Patches
Vulnerability mechanics
References
1News mentions
1- MongoDB: 25 Vulnerabilities Disclosed, Including Critical BI Connector FlawsVypr Intelligence · Aug 12, 2026