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TI-2020-16534 Aliases CVE-2020-27197GHSA-836c-xg97-8p4h

TAXII libtaxii through 1.1.117, as used in EclecticIQ OpenTAXII through 0.2.0 and other…

Priority MEDIUM 46CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

TAXII libtaxii through 1.1.117, as used in EclecticIQ OpenTAXII through 0.2.0 and other products, allows SSRF via an initial http:// substring to the parse method, even when the no_network setting is used for the XML parser. NOTE: the vendor points out that the parse method "wraps the lxml library" and that this may be an issue to "raise ... to the lxml group.

Why it matters now

EPSS 0.02308 83rd percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix Fixed libtaxii (PyPI): 1.1.118

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—libtaxii (PyPI)before 1.1.1181.1.118Patch availableGHSA-836c-xg97-8p4h
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • libtaxii (PyPI) Vendor— Affected before 1.1.118 Fixed in 1.1.118 Patch available GHSA-836c-xg97-8p4h

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:eclecticiq:opentaxii:*:*:*:*:*:*:*:*up to 0.2.0VulnerableEclecticiq
cpe:2.3:a:libtaxii_project:libtaxii:*:*:*:*:*:*:*:*up to 1.1.117VulnerableLibtaxii Project
  • cpe:2.3:a:eclecticiq:opentaxii:*:*:*:*:*:*:*:* Versions up to 0.2.0 Vulnerable ·Eclecticiq
  • cpe:2.3:a:libtaxii_project:libtaxii:*:*:*:*:*:*:*:* Versions up to 1.1.117 Vulnerable ·Libtaxii Project

Remediation

  • Fix · GHSA-836c-xg97-8p4h libtaxii (PyPI) Fixed in 1.1.118 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27197
  2. 2026-10-03 Alias added: GHSA-836c-xg97-8p4h

References

Sources