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EUVD-2026-361089

fkie_cve-2026-44020

Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.13.0 until 2.74.0, the USPTO patent XML parser used the standard xml.sax.parseString() without protection against XML External Entity (XXE) attacks. An attacker could craft malicious USPTO patent XML files with external entity references that could read arbitrary files from the server filesystem, perform Server-Side Request Forgery (SSRF) attacks, or cause denial of service through entity expansion (Billion Laughs attack). The vulnerability affects three USPTO patent format parsers: ICE (v4.x), Grant v2.5, and Application v1.x. This vulnerability is fixed in 2.74.0.

GHSA-m88r-rg27-5xfg — Docling: Unsafe XML Entity Expansion in USPTO Patent Backend

Affected: PyPI: docling

### Impact The USPTO patent XML parser used the standard `xml.sax.parseString()` without protection against XML External Entity (XXE) attacks. An attacker could craft malicious USPTO patent XML files with external entity references that could: - Read arbitrary files from the server filesystem - Perform Server-Side Request Forgery (SSRF) attacks - Cause denial of service through entity expansion (Billion Laughs attack)

The vulnerability affects three USPTO patent format parsers: ICE (v4.x), Grant v2.5, and Application v1.x.

### Patches Fixed in version 2.74.0. The parser now uses `defusedxml.sax.make_parser()` with secure configuration that blocks external entity resolution (`feature_external_ges=False`, `feature_external_pes=False`) while allowing DTD declarations required by USPTO files. This prevents XXE attacks while maintaining compatibility with the USPTO XML format.

### Workarounds Avoid processing USPTO patent XML files from untrusted sources. Implement resource limits (memory, CPU time) when processing patent documents.

### References - Fix release: [v2.74.0](https://github.com/docling-project/docling/releases/tag/v2.74.0)

PYSEC-2026-240

Affected: PyPI: docling

RHSA-2026:60520 — Red Hat Security Advisory: RHOAI 3.4.4 - Red Hat OpenShift AI

urllib3: urllib3 Streaming API improperly handles highly compressed data github.com/argoproj/argo-workflows: argoproj/argo-workflows is vulnerable to RCE via ZipSlip and symbolic links image-size: image-size: Denial of Service via crafted image buffer with zero-valued size field image-size: image-size: Denial of Service via crafted ICNS image buffer mlflow/mlflow: mlflow/mlflow: Unauthenticated remote code execution via unprotected job endpoints mlflow: mlflow: Arbitrary file read via bypassed source path validation python-transformers: python-transformers: Arbitrary code execution due to overridden trust_remote_code setting jupyter-server: jupyter-server: Sensitive data exposure via path traversal vulnerability fast-uri: fast-uri: URI authority bypass due to improper delimiter handling undici: undici: Information disclosure and data integrity issues due to incorrect Socks5ProxyAgent connection routing python-pip: Path traversal via malicious entry point name in pip wheel installation allows arbitrary file overwrite undici: undici: Man-in-the-Middle attack via ignored TLS options with SOCKS5 proxy form-data: form-data: Form field override via CRLF injection undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames nltk: NLTK: Information disclosure via path traversal vulnerability keras: Keras: Arbitrary code execution via deserialization vulnerability brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity shell-quo…