What’s Vulnerable › Vulnerabilities

CVE-2021-23338: Deserialization of Untrusted Data

• Severity: high (CVSS 7.2 v3.1)
• 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: yes
• Published: 2021-02-15 · updated 2026-06-17
• Weakness: CWE-502

Description

This affects all versions of package qlib. The workflow function in cli part of qlib was using an unsafe YAML load function.

Affected products

• qlib: all versions
• qlib: all versions

References

• https://github.com/418sec/huntr/pull/1329
• https://snyk.io/vuln/SNYK-PYTHON-QLIB-1054635
• https://github.com/418sec/huntr/pull/1329
• https://snyk.io/vuln/SNYK-PYTHON-QLIB-1054635

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