Observable Response Discrepancy Affecting mautic/core-lib package, versions <5.2.8>=6.0.0-alpha, <6.0.5
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-MAUTICCORELIB-12484274
- published3 Sept 2025
- disclosed3 Sept 2025
- creditVautia
Introduced: 3 Sep 2025
NewCVE-2025-9824 (opens in a new tab)How to fix?
Upgrade mautic/core-lib to version 5.2.8, 6.0.5 or higher.
Overview
Affected versions of this package are vulnerable to Observable Response Discrepancy via the login process. An attacker can determine whether specific usernames exist by measuring response times during authentication attempts.