Insufficient Verification of Data Authenticity Affecting stigmem-node package, versions [,0.9.0a2)


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

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  • Snyk IDSNYK-PYTHON-STIGMEMNODE-17661125
  • published28 Jun 2026
  • disclosed29 May 2026
  • creditUnknown

Introduced: 29 May 2026

CVE NOT AVAILABLE CWE-295  (opens in a new tab)
CWE-345  (opens in a new tab)

How to fix?

Upgrade stigmem-node to version 0.9.0a2 or higher.

Overview

stigmem-node is a Stigmem reference node — single-host production implementation

Affected versions of this package are vulnerable to Insufficient Verification of Data Authenticity in the peer registration process. An attacker can impersonate a federation peer or intercept registration by submitting malicious key material without requiring explicit administrator approval or out-of-band fingerprint verification. This is only exploitable if federation peer registration is exposed to untrusted networks and administrator approval is not enforced.

Workaround

This vulnerability can be mitigated by restricting peer registration endpoints to trusted administrative networks and verifying peer public-key fingerprints out of band before allowing federation traffic.

CVSS Base Scores

version 4.0
version 3.1