CVE-2026-18695CWE-617

CVE-2026-18695

Medium · published August 11, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
33.4
In the wild
Unconfirmed
What it is

An issue in MongoDB Server's handling of certain query predicates against time-series collections with a metaField could allow an authenticated user with write access to cause the server process to terminate unexpectedly, resulting in a denial of service.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00402 · 33.4th 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)
EPSS history
Timeline
  • 11 AUG 18:35Z
    Improper Input Validation in MongoDB Timeseries Query Processing Leads to Denial of Service
    cvelistv5