CVE-2019-20478
9.8
CRITICAL · CVSS 3.1 · EPSS 6.8% (pctl 94)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 6.75% — more likely to be exploited than 94% of all CVEs |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2020-02-19 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| ruamel.yaml project | ruamel.yaml |
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