Dependency on Vulnerable Third-Party Component Affecting matrix-nio package, versions [,0.26.0)
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Test your applications- Snyk IDSNYK-PYTHON-MATRIXNIO-18507998
- published2 Aug 2026
- disclosed29 Jul 2026
- creditUnknown
Introduced: 29 Jul 2026
New CVE NOT AVAILABLE CWE-1395 (opens in a new tab)Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade matrix-nio to version 0.26.0 or higher.
Overview
matrix-nio is an A Python Matrix client library, designed according to sans I/O principles.
Affected versions of this package are vulnerable to Dependency on Vulnerable Third-Party Component due to the use of a deprecated cryptographic dependency, which introduces multiple cryptographic weaknesses including timing side-channels and signature malleability in the olm process. An attacker can compromise the confidentiality or integrity of encrypted communications by exploiting these cryptographic flaws.