2

CVSS Score

4.0

-

CVSS Score

Basic Information

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CVE-2026-22041

CVE-2026-22041: loggingredactor converts non-string types to string types in logs

Logging Redactor is a Python library designed to redact sensitive data in logs based on regex patterns and / or dictionary keys. Prior to version 0.0.6, non-string types are converted into string types, leading to type errors in %d conversions. The problem has been patched in version 0.0.6. No known workarounds are available.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2026-22041

CVE-2026-22041:

2

CVSS Score

4.0

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
loggingredactor	pip	< 0.0.6	0.0.6

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability lies in the RedactingFilter.redact method, which was incorrectly converting all non-string, non-collection types into strings. The issue was reported, detailing how this behavior leads to TypeError during log message formatting. By analyzing the git history between the last vulnerable version (0.0.5) and the patched version (0.0.6), I identified the exact commit that fixed the issue. The commit 8e701983937a5b22b38721395c7ba7a0c06a91aa modifies the redact method in loggingredactor/redacting_filter.py. Specifically, it removes the code content_copy = isinstance(content_copy, str) and content_copy or str(content_copy), which was responsible for the unwanted type conversion. The new code only performs redaction on values that are already strings, thus preserving the original data types of other values and fixing the vulnerability.

Vulnerable functions

Only Mi**o us*rs **n s** t*is s**tion

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WAF Protection Rules

WAF Rule

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Reasoning

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