CVE-2019-20478

9.8 criticalEPSS 6.8%

In ruamel.yaml through 0.16.7, the load method allows remote code execution if the application calls this method with an untrusted argument. In other words, this issue affects developers who are unaware of the need to use methods such as safe_load in these use cases.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 6.8% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)
Published: 2020-02-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ruamel.yaml_project:ruamel.yaml

References

https://www.exploit-db.com/exploits/47655
https://www.exploit-db.com/exploits/47655

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