MediumVulnerability

CVE-2026-44018: Docling METS-GBS backend XML parsing flaw in archive processing

Source: NVD(opens in a new tab)
Identifier: CVE-2026-44018
Published: June 26, 2026
Record updated: October 10, 2026

Affected: docling >= 2.45.0, < 2.91.0
Fixed in: 2.91.0
released April 23, 2026, 64 days before disclosure
Known exploitation: Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
EPSS: 0.2%

Summary

CVE-2026-44018 affects the METS-GBS backend in Docling from 2.45.0 until 2.91.0. Its XML parsing and input document format detection lacked security controls, so a crafted METS-GBS archive could read sensitive files, exhaust system resources, or crash the application.

Mitigation

Fixed in 2.91.0.

Details

Scores and exploitation

CVSS score: 5.5(medium)
Patch available: Yes
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector: local
Attack complexity: low
Privileges required: none
User interaction: required
EPSS: 0.2%Estimated probability that this CVE is exploited in the next 30 days, from the FIRST Exploit Prediction Scoring System. Read on November 8, 2026.
Disclosure date: June 26, 2026

Weaknesses and techniques

Weakness (CWE): CWE-409
CWE-611
CWE-776
Attack pattern (CAPEC): CAPEC-197

Affected

Packages: docling@>= 2.45.0, < 2.91.0 (fixed: 2.91.0)

Classification

Attack type: Denial of service,
Other
Attack sophistication: Moderate
AI component targeted: Framework
Impact: Confidentiality,
Availability
Labels: security

How this record was produced

Summaries, mitigations and labels on this page are generated automatically from the source. The linked source is authoritative. The source gives this advisory a description and no title, so the title above is a headline generated from the source text.

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-44018

First tracked: June 27, 2026 at 02:02 AM ET, from NVD/CVE Database

Classifier: claude-haiku-5-5, prompt v4

Classifier confidence: 85% (self-assessed)

Affected packages in the Exposure Registry

Matched by package name and ecosystem. Each entry shows whether the package delegates to a language model and how many tracked packages depend on it.

doclingPyPINo LLM dependency detected · 9 tracked dependents

Coverage

News, research and other items that mention CVE-2026-44018.

GHSA-f4ch-vxwc-3p2m: Duplicate Advisory: Docling: METS-GBS archive member limit enforced after full member enumeration (memory exhaustion during format detection)GitHub Advisory Database · 2026-10-06

Summary

Mitigation

Affected packages in the Exposure Registry

Coverage

Related items