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Vulnerability Details CVE-2025-27607

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.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.029

EPSS Ranking 85.9%

CVSS Severity

CVSS v3 Score 8.8

References

Products affected by CVE-2025-27607

Nhairs » Python Json Logger » Version: 0.1.10

cpe:2.3:a:nhairs:python_json_logger:0.1.10
Nhairs » Python Json Logger » Version: 0.1.11

cpe:2.3:a:nhairs:python_json_logger:0.1.11
Nhairs » Python Json Logger » Version: 0.1.2

cpe:2.3:a:nhairs:python_json_logger:0.1.2
Nhairs » Python Json Logger » Version: 0.1.3

cpe:2.3:a:nhairs:python_json_logger:0.1.3
Nhairs » Python Json Logger » Version: 0.1.5

cpe:2.3:a:nhairs:python_json_logger:0.1.5
Nhairs » Python Json Logger » Version: 0.1.6

cpe:2.3:a:nhairs:python_json_logger:0.1.6
Nhairs » Python Json Logger » Version: 0.1.7

cpe:2.3:a:nhairs:python_json_logger:0.1.7
Nhairs » Python Json Logger » Version: 0.1.8

cpe:2.3:a:nhairs:python_json_logger:0.1.8
Nhairs » Python Json Logger » Version: 0.1.9

cpe:2.3:a:nhairs:python_json_logger:0.1.9
Nhairs » Python Json Logger » Version: 2.0.0

cpe:2.3:a:nhairs:python_json_logger:2.0.0
Nhairs » Python Json Logger » Version: 2.0.1

cpe:2.3:a:nhairs:python_json_logger:2.0.1
Nhairs » Python Json Logger » Version: 2.0.2

cpe:2.3:a:nhairs:python_json_logger:2.0.2
Nhairs » Python Json Logger » Version: 2.0.3

cpe:2.3:a:nhairs:python_json_logger:2.0.3
Nhairs » Python Json Logger » Version: 2.0.4

cpe:2.3:a:nhairs:python_json_logger:2.0.4
Nhairs » Python Json Logger » Version: 2.0.5

cpe:2.3:a:nhairs:python_json_logger:2.0.5
Nhairs » Python Json Logger » Version: 2.0.6

cpe:2.3:a:nhairs:python_json_logger:2.0.6
Nhairs » Python Json Logger » Version: 2.0.7

cpe:2.3:a:nhairs:python_json_logger:2.0.7
Nhairs » Python Json Logger » Version: 3.0.0

cpe:2.3:a:nhairs:python_json_logger:3.0.0
Nhairs » Python Json Logger » Version: 3.0.1

cpe:2.3:a:nhairs:python_json_logger:3.0.1
Nhairs » Python Json Logger » Version: 3.1.0

cpe:2.3:a:nhairs:python_json_logger:3.1.0
Nhairs » Python Json Logger » Version: 3.2.0

cpe:2.3:a:nhairs:python_json_logger:3.2.0
Nhairs » Python Json Logger » Version: 3.2.1

cpe:2.3:a:nhairs:python_json_logger:3.2.1

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Vulnerability Details CVE-2025-27607

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