CVE-2026-19880
Incomplete protection against CVE-2025-11226
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
Path-traversal vulnerability in QOS.CH Sarl Logback-classic on Java (logback-classic module) allows path-traversal vulnerability. More specifically, an MDC-based discriminator value flows unsanitized into a nested FileAppender path, letting an attacker who influences that MDC value (e.g. via an HTTP header) create and append log files outside the intended directory. This issue affects Logback-classic: from 0.9.14 through 1.6.2.
| CWE | CWE-22 |
| Vendor | qos.ch sarl |
| Product | logback-classic |
| Published | Aug 14, 2026 |
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Affected Versions
QOS.CH Sarl / Logback-classic
0.9.14 ≤ 1.6.2
Credits
York Shen - Yong Shen - PayPal Cyber Security Team (UID 100171)