THREATOPS
THREAT OPSThreat News › [NVD] CVE-2026-18697 (HIGH 7.5) — An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos (router) process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections route

[NVD] CVE-2026-18697 (HIGH 7.5) — An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos (router) process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections route

mednvdPublished 2026-08-11

CVE-2026-18697 CVSS: 7.5 HIGH Published: 2026-08-11T19:17:23.983

An issue in MongoDB Server's aggregation framework could allow an unauthenticated party to cause a mongos (router) process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service, disrupting client connections routed through the affected mongos instance.

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-18697