Deserialization in Docling Docling-core

CVE-2026-24009

Docling Core (or docling-core) is a library that defines core data types and transformations in the document processing application Docling. A PyYAML-related Remote Code Execution (RCE) vulnerability, namely CVE-2020-14343, is exposed in d…

Vulnerability class: Insecure Deserialization

EPSS: 0.014 (68.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-24009?
CVE-2026-24009 is a high-severity vulnerability in Docling Docling-core, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2026-01-22.
How severe is CVE-2026-24009?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2026-24009 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.