---
id: CVE-2025-11058
aliases:
  - GHSA-cfmv-h8fx-85m7
  - PYSEC-2026-2058
title: xml2rfc has an arbitrary file read vulnerability
summary: xml2rfc has an arbitrary file read vulnerability
severity: high
vendor: xml2rfc
product: xml2rfc
ecosystem: pip
affected:
  - xml2rfc < 3.30.1
patched:
  - xml2rfc 3.30.1
published: '2025-08-26'
updated: '2026-07-07'
source: OSV
sourceUrl: 'https://osv.dev/vulnerability/GHSA-cfmv-h8fx-85m7'
references:
  - url: >-
      https://github.com/ietf-tools/xml2rfc/security/advisories/GHSA-cfmv-h8fx-85m7
  - url: >-
      https://github.com/ietf-tools/xml2rfc/commit/f2b245bc0aeeac0667c8f74e976c466c5991f0e4
  - url: 'https://github.com/ietf-tools/xml2rfc'
tags:
  - osv
  - pip
ingestedAt: '2026-07-08T18:25:48.359Z'
---

## 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 XML.

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

### Credits
This vulnerability was reported by Mohamed Ouad from [Doyensec](https://doyensec.com/).

## Affected packages

- `xml2rfc < 3.30.1`

## Remediation

Upgrade to a patched release:

- `xml2rfc 3.30.1`