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Fencer Vulns
high —

CVE-2025-11059 json

xml2rfc is vulnerable to arbitrary file reads through prepped files

published 2025-09-10 13 mo ago modified 2026-07-07 4 mo ago also GHSA-9mv7-3c64-mmqw , PYSEC-2026-2057

cvss
—
not scored
cisa kev
Not listed
not in CISA's catalog
epss
—
no EPSS score yet
public exploits
0
none known

Summary

### 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).

Patch / fix

  • pypi xml2rfc 3.30.2

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-11059 updated cvss 7.5

xml2rfc: xml2rfc is vulnerable to arbitrary file reads through prepped files

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Affected packages

ecosystem package affected fixed in
pypi xml2rfc
<3.30.2
3.30.2

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.