CVE-2026-6914CWE-191

MD5 checksum creation may cause availability loss

High · published April 29, 2026

CVSS v4.0
7.1
EPSS
0%
Percentile
37.8
In the wild
Unconfirmed
What it is

Computing the MD5 checksum of a malformed BSON object under specific conditions may cause loss of availability in MongoDB server.

This issue affects all MongoDB Server v8.2 versions, all MongoDB Server v8.1 versions, MongoDB Server v8.0 versions prior to 8.0.21, MongoDB Server v7.0 versions prior to 7.0.32

The record
Technical detail
CVSS v4.0
7.1 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
EPSS
0.00446 · 37.8th percentile
Weakness
CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2026-04-29T16:47Z
EPSS history
Timeline
  • 29 APR 16:47Z
    MD5 checksum creation may cause availability loss
    cvelistv5