CVE-2026-76245

stigmem Federation Peer Token Timestamp Validation Bypass

Published Aug 19, 2026 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
stigmem (pip package stigmem-node) version 0.9.0a1 contains a timestamp-handling mismatch in federation peer-token validation that can cause valid peer tokens to be incorrectly treated as expired. This affects the availability and reliability of authenticated federation flows on nodes using federation peer authentication paths. The issue is fixed in 0.9.0a2, which uses the canonical millisecond-based validation path.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Eidetic-labs
Eidetic-labs stigmem
Vendors & Products Eidetic-labs
Eidetic-labs stigmem
Type Values Removed Values Added
Description stigmem (pip package stigmem-node) version 0.9.0a1 contains a timestamp-handling mismatch in federation peer-token validation that can cause valid peer tokens to be incorrectly treated as expired. This affects the availability and reliability of authenticated federation flows on nodes using federation peer authentication paths. The issue is fixed in 0.9.0a2, which uses the canonical millisecond-based validation path.
Title stigmem Federation Peer Token Timestamp Validation Bypass
Weaknesses CWE-345
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Aug 20, 2026, 3:22 PM
Reserved
Aug 19, 2026, 11:38 AM
Status
Deferred
Published
Aug 19, 2026, 2:17 PM
Modified
Sep 11, 2026, 6:28 PM