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TI-2020-16251 Aliases CVE-2020-26709GHSA-j6v2-mwxm-f952

py-xml v1.0 was discovered to contain an XML External Entity Injection (XXE)…

Priority MEDIUM 40CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-611 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00795 56th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—py-xml (PyPI)up to 1.0—No fix listedGHSA-j6v2-mwxm-f952
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • py-xml (PyPI) Vendor— Affected up to 1.0 Fixed in — No fix listed GHSA-j6v2-mwxm-f952

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:py-xml_project:py-xml:1.0:*:*:*:*:python:*:*1.0VulnerablePy-xml Project
  • cpe:2.3:a:py-xml_project:py-xml:1.0:*:*:*:*:python:*:* Versions 1.0 Vulnerable ·Py-xml Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-26709
  2. 2026-10-03 Alias added: GHSA-j6v2-mwxm-f952

References

Sources