CVE-2026-22041 is classified under CWE-704, indicating an incorrect type conversion or cast vulnerability in the armurox loggingredactor Python library. This library is designed to redact sensitive information from logs using regex patterns or dictionary keys. In versions prior to 0.0.6, the library converts non-string data types into strings indiscriminately. This conversion leads to type errors when the loggingredactor attempts to apply %d format specifiers, which expect integer types, but receive string representations instead. Such errors can cause logging operations to fail or raise exceptions, potentially disrupting application workflows that rely on consistent logging. The vulnerability does not expose sensitive data directly but affects the integrity and availability of logging outputs. The CVSS 4.0 base score is 2.0, reflecting low severity due to the local attack vector, low impact on confidentiality, and no requirement for privileges or user interaction. No known exploits have been reported, and the issue was patched in version 0.0.6. The lack of workarounds means that upgrading is the only effective remediation. This vulnerability is primarily a stability and reliability concern for applications using the affected library versions.

For European organizations, the primary impact of CVE-2026-22041 is on the reliability and integrity of logging systems. Organizations that rely heavily on automated log redaction to comply with data protection regulations such as GDPR may experience failures in redacting sensitive information, potentially leading to incomplete or inconsistent logs. This could indirectly affect compliance audits or forensic investigations. Additionally, applications encountering type errors during logging might experience crashes or degraded performance, impacting availability. While the vulnerability does not directly compromise confidentiality or allow remote exploitation, the disruption of logging can hinder incident detection and response capabilities. Sectors with stringent logging requirements, such as finance, healthcare, and critical infrastructure, could face operational challenges if affected versions are in use. The low severity suggests limited direct risk, but the operational impact on logging integrity warrants timely remediation.

European organizations should immediately upgrade the armurox loggingredactor library to version 0.0.6 or later to eliminate the vulnerability. Since no workarounds exist, patching is the only effective mitigation. Additionally, organizations should audit their codebases and dependency manifests to identify any usage of affected versions and ensure they are updated. Implementing robust testing around logging functionality can help detect failures caused by type conversion issues. Where feasible, developers should validate data types before passing them to loggingredactor functions to prevent unexpected type errors. Monitoring application logs for errors related to loggingredactor can provide early warning of exploitation attempts or failures. Finally, organizations should maintain an inventory of third-party libraries and subscribe to vulnerability feeds to promptly address similar issues in the future.