CVE-2026-103965CWE-94code-injection

CVE-2026-103965

Medium · published October 13, 2026

CVSS v3.1
5.4
EPSS
0%
Percentile
3.9
In the wild
Unconfirmed
What it is

An issue in MongoDB Server's aggregation framework can cause certain constant values to be handled incorrectly during internal query rewriting. Under certain conditions, an authenticated user with read access may receive field values in aggregation output that the query did not intend to return.

The record
Technical detail
CVSS v3.1
5.4 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
EPSS
0.00150 · 3.9th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2026-10-13T20:17Z
References (1)
EPSS history
Timeline
  • 15 OCT 03:28Z
    EPSS moved — → 0%
    epss
  • 13 OCT 15:33Z
    Fixed values in MongoDB Server $bucket stage may be misread as field references
    cvelistv5
  • 13 OCT 15:33Z
    Fixed values in MongoDB Server $bucket stage may be misread as field references
    cvelistv5