xml2rfc has an arbitrary file read vulnerability
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.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | xml2rfc | < 3.30.1 | 3.30.1 |
References
- https://github.com/ietf-tools/xml2rfc/security/advisories/GHSA-cfmv-h8fx-85m7
- https://github.com/ietf-tools/xml2rfc/commit/f2b245bc0aeeac0667c8f74e976c466c5991f0e4
- https://github.com/ietf-tools/xml2rfc
- https://pypi.org/project/xml2rfc
- https://github.com/advisories/GHSA-cfmv-h8fx-85m7
- https://nvd.nist.gov/vuln/detail/CVE-2025-11058
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N- Weakness (CWE)
CWE-22- Platform
- Python (PyPI)
- Package
xml2rfc- Disclosed
- 26.08.2025
- Updated
- 11.10.2026 13:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-2058 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-cfmv-h8fx-85m7 - CC BY 4.0
Vulnerability history: xml2rfc
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 04.2022 09.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
- Medium 2
Disclosures per year
- 2022: 1
- 2023: 0
- 2024: 0
- 2025: 3
- 2026: 0
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xml2rfc has an arbitrary file read vulnerability this entry
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