---
id: CVE-2025-11059
aliases:
  - GHSA-9mv7-3c64-mmqw
  - PYSEC-2026-2057
title: xml2rfc is vulnerable to arbitrary file reads through prepped files
summary: xml2rfc is vulnerable to arbitrary file reads through prepped files
severity: high
vendor: xml2rfc
product: xml2rfc
ecosystem: pip
affected:
  - xml2rfc < 3.30.2
patched:
  - xml2rfc 3.30.2
published: '2025-09-10'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-9mv7-3c64-mmqw'
references:
  - url: >-
      https://github.com/ietf-tools/xml2rfc/security/advisories/GHSA-9mv7-3c64-mmqw
  - url: >-
      https://github.com/ietf-tools/xml2rfc/commit/73fb1c91fc62ac540bb6bd24f982f2becf84c1b0
  - url: 'https://github.com/ietf-tools/xml2rfc'
  - url: 'https://github.com/ietf-tools/xml2rfc/releases/tag/v3.30.2'
tags:
  - osv
  - pip
ingestedAt: '2026-07-08T18:25:48.048Z'
---

## Overview

### Impact

When generating PDF files, this vulnerability allows an attacker to read arbitrary files from the filesystem by injecting malicious link element into the prepped RFCXML.

### Workarounds

Test untrusted input with `link` elements with `rel="attachment"` before processing.

### References
This is related to [GHSA-cfmv-h8fx-85m7](https://github.com/ietf-tools/xml2rfc/security/advisories/GHSA-cfmv-h8fx-85m7).

## Affected packages

- `xml2rfc < 3.30.2`

## Remediation

Upgrade to a patched release:

- `xml2rfc 3.30.2`