What is CVE-2026-44018?

CVE-2026-44018 is a medium-severity vulnerability in Docling-project Docling, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 5.5/10. Published 2026-06-26.

How severe is CVE-2026-44018?

Medium severity. CVSS v3 base score is 5.5 out of 10.

XXE in Docling-project Docling

CVE-2026-44018

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.45.0 until 2.91.0, the METS-GBS backend's XML parsing and the input document format detection lacked secu…

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Docling-project Docling — versions >= 2.45.0, < 2.91.0

Weakness classification (CWE)

CWE-409 — Improper Handling of Highly Compressed Data (Data Amplification)
CWE-611 — Improper Restriction of XML External Entity Reference (XXE)
CWE-776 — Improper Restriction of Recursive Entity References in DTDs (XML Entity Expansion)

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-44018?: CVE-2026-44018 is a medium-severity vulnerability in Docling-project Docling, classified under Improper Handling of Highly Compressed Data (Data Amplification). CVSS score: 5.5/10. Published 2026-06-26.
How severe is CVE-2026-44018?: Medium severity. CVSS v3 base score is 5.5 out of 10.