CVE-2026-76245 — stigmem Federation Peer Token Timestamp Validation Bypass
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 …
Published: 2026-08-19 · CVSS: 7.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7