SEPTEMBER 17, 2026
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Case File

CVE-2026-76242

CRITICAL · CVSS 9.1 EPSS 0.27% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-19 · Last synced 2026-09-17

CyberRota Analysis

AI-Generated

The stigmem-node version 0.9.0a1 is vulnerable due to its lack of an out-of-band administrator approval step for federation peer key material during registration, allowing attackers to register malicious peers. This vulnerability can lead to unauthorized access and manipulation of federation traffic, posing a critical risk to network security. Organizations using this software should prioritize upgrading to version 0.9.0a2 to mitigate potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-76242
Severity
CRITICAL
CVSS
9.1
EPSS
0.27%

Original NVD Description

stigmem-node 0.9.0a1 accepts federation peer key material during peer registration without a separate administrator out-of-band fingerprint approval step. On nodes that accept federation peer registration over a network where initial registration can be intercepted or misdirected, an attacker can register a malicious peer and gain access to or tamper with federation traffic. Fixed in 0.9.0a2, which introduces a pending approval flow requiring administrator fingerprint verification before peer tokens are accepted.