ACE Vulnerability in logback-core Affects QOS.CH Java Applications
CVE-2026-1225

1.8LOW

Key Information:

Vendor

Qos.ch Sarl

Status
Logback-core
Vendor
CVE Published:
22 January 2026

Badges

👾 Exploit Exists

What is CVE-2026-1225?

A vulnerability in the configuration file processing of QOS.CH's logback-core allows an attacker with write access to manipulate the logback configuration. This can lead to the instantiation of unauthorized Java classes, provided those classes are present on the user's class-path. Although the potentially malicious instance may be discarded after creation, the initial compromise poses a significant risk to application integrity and security.

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Affected Version(s)

Logback-core Java 0.9.20 <= 1.5.24

Logback-core Java 1.5.25

References

https://logback.qos.ch/news.html#1.5.25

CVSS V4

Score:
1.8
Severity:
LOW
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
High
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

https://www.code-intelligence.com/
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