CVE-2026-18707CWE-617

CVE-2026-18707

Medium · published August 11, 2026

CVSS v3.1
4.3
EPSS
0%
Percentile
16.3
In the wild
Unconfirmed
What it is

An issue in MongoDB Server could allow an authenticated user, including one with no assigned privileges, to cause the server process to terminate unexpectedly by submitting a specially formed aggregation command. This could result in a denial of service.

The record
Technical detail
CVSS v3.1
4.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00256 · 16.3th percentile
Weakness
CWE-617 · Reachable Assertion
Published
2026-08-11T23:17Z
Affected products (7)
ProductVersionsFixed in
mongodb/mongodb≥ 7.0.0, < 7.0.407.0.40
mongodb/mongodb≥ 8.0.0, < 8.0.298.0.29
mongodb/mongodb≥ 8.2.0, ≤ 8.2.12—
mongodb/mongodb≥ 8.3.0, < 8.3.88.3.8
mongodb/mongodball versions—
mongodb/mongodball versions—
mongodb/mongodball versions—
References (1)
https://jira.mongodb.org/browse/SERVER-128482 · [email protected]
EPSS history
Timeline
  • 11 AUG 18:34Z
    Improper Input Validation in MongoDB Aggregation Command Handling Leads to Denial of Service
    cvelistv5