CVE-2025-66371 json
Peppol-py is vulnerable to XXE attacks due to Saxon configuration
published 2025-11-28 11 mo ago modified 2026-10-08 32 d ago also GHSA-24hm-wm2h-h8w7 , PYSEC-2026-1765 , EUVD-2025-199852
- cvss
- 5.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
Peppol-py before 1.1.1 allows XXE attacks because of the Saxon configuration. When validating XML-based invoices, the XML parser could read files from the filesystem and expose their content to a remote host.
Patch / fix
- pypi peppol-py 1.1.1
- Iteras Peppol-py 1.1.1
- github.com/iterasdev/peppol-py@349a4bf commit
- github.com/iterasdev/peppol-py#16 pull request
- github.com/iterasdev/peppol-py/releases/tag/1.1.1 release
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 11 mo ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
| OSV | 3.1 | 5.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
| GitHub | 3.1 | 5.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | peppol-py | <1.1.1 |
1.1.1 |
Affected products
- Iteras Peppol-py
Classification
- Weakness
-
- CWE-611 Improper Restriction of XML External Entity Reference
References
-
github.com
/iterasdev/peppol-py/pull/16
web
-
github.com
/iterasdev/peppol-py/commit/349a4bff8adb6205ea411bac8d7a06da0477abd7
web
-
github.com
/iterasdev/peppol-py/releases/tag/1.1.1
web
-
invoice.secvuln.info
web
-
nvd.nist.gov
/vuln/detail/CVE-2025-66371
advisory
-
github.com
/iterasdev/peppol-py
package
-
pypi.org
/project/peppol-py
package
-
github.com
/advisories/GHSA-24hm-wm2h-h8w7
advisory
Sources
- CVE List CVE-2025-66371
- GitHub Advisory GHSA-24hm-wm2h-h8w7
- NVD CVE-2025-66371
- OSV PYSEC-2026-1765
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.