CVE-2025-9824: Mautic Vulnerable to User Enumeration via Response Timing

medium Affects mautic/core. Feed 2026.10.29.1, updated 2026-10-28; published .

Mautic Vulnerable to User Enumeration via Response Timing

Package
mautic/core Composer
Affected versions
>=4.4.0 and <4.4.17 or >=5.0.0-alpha and <5.2.8 or >=6.0.0-alpha and <6.0.5
Fixed in
4.4.17, 5.2.8, 6.0.5
Severity
medium  CVSS 5.9
Exploitation
not on CISA KEV · EPSS 0% (20.8th percentile)
Published
2025-09-03
Source
osv.dev

References

CWE-204
NVD recordmautic/core advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked

Related advisories