External Initialization of Trusted Variables or Data Stores Affecting ch.qos.logback:logback-core package, versions [0.9.20,1.5.25)
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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- published23 Jan 2026
- disclosed22 Jan 2026
- creditUnknown
Introduced: 22 Jan 2026
CVE-2026-1225 (opens in a new tab)How to fix?
Upgrade ch.qos.logback:logback-core to version 1.5.25 or higher.
Overview
ch.qos.logback:logback-core is a logback-core module.
Affected versions of this package are vulnerable to External Initialization of Trusted Variables or Data Stores during the configuration file processing. An attacker can instantiate arbitrary classes already present on the class path by compromising an existing configuration file.