What’s Vulnerable › Vulnerabilities

CVE-2017-16616

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-11-08 · updated 2026-06-17

Description

An exploitable vulnerability exists in the YAML parsing functionality in the YAMLParser method in Interfaces.py in PyAnyAPI before 0.6.1. A YAML parser can execute arbitrary Python commands resulting in command execution because load is used where safe_load should have been used. An attacker can insert Python into loaded YAML to trigger this vulnerability.

Affected products

• Pyanyapi Project Pyanyapi: before 0.6.1 — fixed in 0.6.1

How to fix

Upgrade to a fixed version: Pyanyapi Project Pyanyapi 0.6.1. Check the vendor advisory for mitigations.

References

• https://github.com/Stranger6667/pyanyapi/issues/41
• https://github.com/Stranger6667/pyanyapi/releases/tag/0.6.1
• https://joel-malwarebenchmark.github.io/blog/2017/11/08/cve-2017-16616-yamlparser-in-pyanyapi/
• https://pypi.python.org/pypi/pyanyapi/0.6.1
• https://github.com/Stranger6667/pyanyapi/issues/41
• https://github.com/Stranger6667/pyanyapi/releases/tag/0.6.1
• https://joel-malwarebenchmark.github.io/blog/2017/11/08/cve-2017-16616-yamlparser-in-pyanyapi/
• https://pypi.python.org/pypi/pyanyapi/0.6.1

Get alerted when CVE-2017-16616 or the next vulnerability affects your stack