CVE-2026-52203

HIGH

MCMS 6.1.1 - Unauthenticated Information Disclosure via Source Parameter

Title source: llm
STIX 2.1

Description

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

References (1)

Core 1

Scores

CVSS v3 7.5
EPSS 0.0030
EPSS Percentile 22.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-200
Status published
Published Jul 17, 2026
Tracked Since Jul 18, 2026