CVE-2026-76245: Insufficient Verification of Data Authenticity in eidetic-labs stigmem
Description
stigmem (pip package stigmem-node) version 0.9.0a1 has a vulnerability in its federation peer-token validation due to a timestamp-handling mismatch. This causes valid peer tokens to be incorrectly treated as expired, impacting the availability and reliability of authenticated federation flows. The issue is resolved in version 0.9.0a2 by adopting a canonical millisecond-based validation method.
CVSS v4.0
Score 7.1high
Affected software
eidetic-labs
stigmem
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-76245 describes a vulnerability in stigmem-node version 0.9.0a1 where a timestamp-handling mismatch in federation peer-token validation leads to valid tokens being mistakenly considered expired. This flaw affects the availability and reliability of federation authentication flows on nodes using peer authentication paths. The vulnerability is addressed in version 0.9.0a2, which implements a canonical millisecond-based validation path to correctly verify token validity.
Potential Impact
The vulnerability causes valid federation peer tokens to be rejected as expired, disrupting authenticated federation flows. This impacts the availability and reliability of services relying on these authentication paths but does not indicate a compromise of confidentiality or integrity.
Mitigation Recommendations
Upgrade stigmem-node to version 0.9.0a2 or later, where the issue is fixed by using a canonical millisecond-based validation path. No other mitigations are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-19T11:38:33.225Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a85bc80acd9273b492f4a3c
Added to database: 08/19/2026, 14:24:00 UTC
Last enriched: 09/11/2026, 08:32:19 UTC
Last updated: 10/04/2026, 10:02:29 UTC
Views: 85
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