CVE-2026-76242: Improper Certificate Validation in eidetic-labs stigmem
stigmem-node version 0.9.0a1 has an improper certificate validation vulnerability that allows federation peer key material to be accepted during peer registration without requiring administrator fingerprint approval. This flaw enables an attacker who can intercept or misdirect initial peer registration over the network to register a malicious peer and potentially access or tamper with federation traffic. The issue is fixed in version 0.9.0a2 by introducing a pending approval flow requiring administrator fingerprint verification before accepting peer tokens.
AI Analysis
Technical Summary
CVE-2026-76242 describes a vulnerability in eidetic-labs stigmem-node 0.9.0a1 where federation peer key material is accepted during peer registration without an out-of-band administrator fingerprint approval step. This allows an attacker capable of intercepting or redirecting the initial registration process over the network to register a malicious peer. Such unauthorized registration can lead to unauthorized access or tampering of federation traffic. The vulnerability is addressed in version 0.9.0a2 by adding a pending approval mechanism that mandates administrator fingerprint verification before peer tokens are accepted.
Potential Impact
An attacker who can intercept or misdirect the initial federation peer registration can register a malicious peer, gaining unauthorized access to or the ability to tamper with federation traffic. This compromises the confidentiality and integrity of the federation communications.
Mitigation Recommendations
A fix is available in stigmem-node version 0.9.0a2, which introduces a pending approval flow requiring administrator fingerprint verification before accepting peer tokens. Users should upgrade to version 0.9.0a2 or later to mitigate this vulnerability. Patch status is not explicitly confirmed in the vendor advisory, but the description states the issue is fixed in 0.9.0a2.
CVE-2026-76242: Improper Certificate Validation in eidetic-labs stigmem
Description
stigmem-node version 0.9.0a1 has an improper certificate validation vulnerability that allows federation peer key material to be accepted during peer registration without requiring administrator fingerprint approval. This flaw enables an attacker who can intercept or misdirect initial peer registration over the network to register a malicious peer and potentially access or tamper with federation traffic. The issue is fixed in version 0.9.0a2 by introducing a pending approval flow requiring administrator fingerprint verification before accepting peer tokens.
CVSS v4.0
Score 9.1critical
Affected software
pkg:github/eidetic-labs/stigmemRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-76242 describes a vulnerability in eidetic-labs stigmem-node 0.9.0a1 where federation peer key material is accepted during peer registration without an out-of-band administrator fingerprint approval step. This allows an attacker capable of intercepting or redirecting the initial registration process over the network to register a malicious peer. Such unauthorized registration can lead to unauthorized access or tampering of federation traffic. The vulnerability is addressed in version 0.9.0a2 by adding a pending approval mechanism that mandates administrator fingerprint verification before peer tokens are accepted.
Potential Impact
An attacker who can intercept or misdirect the initial federation peer registration can register a malicious peer, gaining unauthorized access to or the ability to tamper with federation traffic. This compromises the confidentiality and integrity of the federation communications.
Mitigation Recommendations
A fix is available in stigmem-node version 0.9.0a2, which introduces a pending approval flow requiring administrator fingerprint verification before accepting peer tokens. Users should upgrade to version 0.9.0a2 or later to mitigate this vulnerability. Patch status is not explicitly confirmed in the vendor advisory, but the description states the issue is fixed in 0.9.0a2.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-19T11:38:33.225Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a85bc80acd9273b492f4a36
Added to database: 08/19/2026, 14:24:00 UTC
Last enriched: 08/19/2026, 14:37:30 UTC
Last updated: 08/19/2026, 22:53:03 UTC
Views: 9
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