CVE-2026-52203

An issue in MCMS v.6.1.1 allows a remote attacker to obtain sensitive information via the source parameter

High · published July 17, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
43.0
In the wild
Unconfirmed
What it is

An issue in MCMS v.6.1.1 allows a remote attacker to obtain sensitive information via the source parameter.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00515 · 43.0th percentile
Published
2026-07-17T00:00Z
EPSS history
Timeline
  • 17 JUL 00:00Z
    An issue in MCMS v.6.1.1 allows a remote attacker to obtain sensitive information via the source parameter
    cvelistv5