Python JSON Logger is a JSON Formatter for Python Logging. Between 30 December 2024 and 4 March 2025 Python JSON Logger was vulnerable to RCE through a missing dependency. This occurred because msgspec-python313-pre was deleted by the owner leaving the name open to being claimed by a third party. If the package was claimed, it would allow them RCE on any Python JSON Logger user who installed the development dependencies on Python 3.13 (e.g. pip install python-json-logger[dev]). This issue has been resolved with 3.3.0.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-829"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27607.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "3.2.0"
},
{
"fixed": "3.3.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"fixed": "2548e3a2e3cedf6bef3ee7c60c55b7c02d1af11a"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
{
"fixed": "e7761e56edb980cfab0165e32469d5fd017a5d72"
}
],
"source": "REFERENCES_COMMIT"
}
]
}