# ch.qos.logback:logback-core (Maven) vulnerabilities

10 known vulnerabilities (3 high, 2 medium, 4 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://central.sonatype.com/artifact/ch.qos.logback/logback-core

## Advisories (10)

### [CVE-2026-10532](https://cve.now/CVE-2026-10532): Logback deserialization whitelist bypass for Proxy objects

- Severity: Low 2.9
- Published: Jun 1, 2026
- Affected: fixed in 1.5.34.

### [CVE-2026-9828](https://cve.now/CVE-2026-9828): Logback deserialization whitelist bypass for java.lang and java.util

- Severity: Low 2.9
- Published: May 28, 2026
- Affected: fixed in 1.5.33.

### [CVE-2026-1225](https://cve.now/CVE-2026-1225): Malicious logback.xml configuration file allows instantiation of arbitrary classes

- Severity: Low 1.8
- Published: Jan 22, 2026
- Affected: fixed in 1.5.25.

### [CVE-2025-11226](https://cve.now/CVE-2025-11226): Conditional processing of logback.xml configuration file, in conjuction with Spring Framework and Janino

- Severity: High 7.0
- Published: Oct 1, 2025
- Affected: from 1.4.0, fixed in 1.5.19; fixed in 1.3.16.

### [CVE-2024-12801](https://cve.now/CVE-2024-12801): SaxEventRecorder vulnerable to Server-Side Request Forgery (SSRF) attacks

- Severity: Low 2.4
- Published: Dec 19, 2024
- Affected: from 1.4.0, fixed in 1.5.13; fixed in 1.3.15.

### [CVE-2024-12798](https://cve.now/CVE-2024-12798): JaninoEventEvaluator vulnerability

- Severity: Medium 5.9
- Published: Dec 19, 2024
- Affected: from 1.4.0, fixed in 1.5.13; fixed in 1.3.15.

### [CVE-2023-6481](https://cve.now/CVE-2023-6481): Logback "receiver" DOS vulnerability CVE-2023-6378 incomplete fix

- Severity: High 7.1
- Published: Dec 4, 2023
- Affected: from 1.4.13, fixed in 1.4.14; from 1.3.13, fixed in 1.3.14; from 1.2.12, fixed in 1.2.13.

### [CVE-2023-6378](https://cve.now/CVE-2023-6378): Logback "receiver" DOS vulnerability

- Severity: High 7.1
- Published: Nov 29, 2023
- Affected: from 1.3.0, fixed in 1.3.12; from 1.4.0, fixed in 1.4.12; fixed in 1.2.13.

### [CVE-2021-42550](https://cve.now/CVE-2021-42550): RCE from attacker with configuration edit priviledges through JNDI lookup

- Severity: Medium 6.6
- Published: Dec 16, 2021
- Affected: fixed in 1.2.9.

### [CVE-2017-5929](https://cve.now/CVE-2017-5929): QOS.ch Logback before 1.2.0 has a serialization vulnerability affecting the SocketServer and ServerSocketReceiver components.

- Severity: Unrated
- Published: Mar 13, 2017
- Affected: fixed in 1.2.0.

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