What is CVE-2020-26709?

CVE-2020-26709 is a high-severity vulnerability in Py-Xml Project, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2023-06-29.

How severe is CVE-2020-26709?

High severity. CVSS v3 base score is 7.5 out of 10.

XXE in Py-Xml Project

CVE-2020-26709

py-xml v1.0 was discovered to contain an XML External Entity Injection (XXE) vulnerability which allows attackers to execute arbitrary code via a crafted XML file.

Vulnerability class: XXE (XML External Entity)

Published 2023-06-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.0th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Py-Xml Project — versions 1.0

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

github.com/PinaeOS/py-xml/issues/2 (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-26709?: CVE-2020-26709 is a high-severity vulnerability in Py-Xml Project, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2023-06-29.
How severe is CVE-2020-26709?: High severity. CVSS v3 base score is 7.5 out of 10.