A successful attack requires the presence of Janino library and Spring Framework to be present on the user's class path. In addition, the attacker must have write access to a
configuration file. Alternatively, the attacker could inject a malicious
environment variable pointing to a malicious configuration file. In both
cases, the attack requires existing privilege.
Metrics
Affected Vendors & Products
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-31861 | ACE vulnerability in conditional configuration file processing by QOS.CH logback-core up to and including version 1.5.18 in Java applications, allows an attacker to execute arbitrary code by compromising an existing logback configuration file or by injecting an environment variable before program execution. A successful attack requires the presence of Janino library and Spring Framework to be present on the user's class path. In addition, the attacker must have write access to a configuration file. Alternatively, the attacker could inject a malicious environment variable pointing to a malicious configuration file. In both cases, the attack requires existing privilege. |
Github GHSA |
GHSA-25qh-j22f-pwp8 | QOS.CH logback-core is vulnerable to Arbitrary Code Execution through file processing |
Solution
Remove Janino from the Java classpath or update to logack version 1.5.19 or later.
Workaround
Remove Janino from the Java classpath or update to logack version 1.5.19 or later.
Fri, 31 Oct 2025 14:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Fri, 03 Oct 2025 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Thu, 02 Oct 2025 09:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Qos
Qos logback |
|
| Vendors & Products |
Qos
Qos logback |
Wed, 01 Oct 2025 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Wed, 01 Oct 2025 07:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | ACE vulnerability in conditional configuration file processing by QOS.CH logback-core up to and including version 1.5.18 in Java applications, allows an attacker to execute arbitrary code by compromising an existing logback configuration file or by injecting an environment variable before program execution. A successful attack requires the presence of Janino library and Spring Framework to be present on the user's class path. In addition, the attacker must have write access to a configuration file. Alternatively, the attacker could inject a malicious environment variable pointing to a malicious configuration file. In both cases, the attack requires existing privilege. | |
| Title | Conditional processing of logback.xml configuration file, in conjuction with Spring Framework and Janino | |
| Weaknesses | CWE-20 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: NCSC.ch
Published:
Updated: 2025-10-31T14:32:05.822Z
Reserved: 2025-10-01T07:25:16.311Z
Link: CVE-2025-11226
Updated: 2025-10-01T13:14:55.918Z
Status : Awaiting Analysis
Published: 2025-10-01T08:15:31.250
Modified: 2025-10-31T15:15:41.197
Link: CVE-2025-11226
OpenCVE Enrichment
Updated: 2025-10-02T08:46:01Z
EUVD
Github GHSA