stigmem-node's federation peer registration lacked explicit out-of-band approval
Impact
Federation peer registration accepted peer key material during registration without a separate administrator approval step based on an out-of-band fingerprint check. Impacted deployments are nodes that accept federation peer registration across a network where initial registration could be intercepted or misdirected.
Patches
Patched in 0.9.0a2. Peer registration now uses a pending approval flow, and peer tokens are not accepted until an administrator approves the peer using the expected fingerprint.
Workarounds
Before upgrading, restrict peer registration endpoints to trusted administrative networks and verify peer public-key fingerprints out of band before allowing federation traffic.
Upgrade
Upgrade to the patched release:
pip install --upgrade --pre stigmem-nodeIf developers install through the Stigmem meta-package instead, they should use the matching extra for deployments, for example:
pip install --upgrade --pre 'stigmem[node]'Resources
- Release: https://github.com/eidetic-labs/stigmem/releases/tag/v0.9.0a2
- Changelog: https://github.com/eidetic-labs/stigmem/blob/v0.9.0a2/CHANGELOG.md#L14-L35
- Security policy and posture: https://github.com/eidetic-labs/stigmem/blob/v0.9.0a2/SECURITY.md
Software afectado
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| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| Python (PyPI) | stigmem-node | < 0.9.0a2 | 0.9.0a2 |
Referencias
- https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-9vp8-3hmv-8fgh
- https://github.com/eidetic-labs/stigmem
- https://github.com/eidetic-labs/stigmem/blob/v0.9.0a2/CHANGELOG.md#L14-L35
- https://github.com/eidetic-labs/stigmem/blob/v0.9.0a2/SECURITY.md
- https://github.com/eidetic-labs/stigmem/releases/tag/v0.9.0a2
- Vector CVSS
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N- Debilidad (CWE)
CWE-295, CWE-345- Plataforma
- Python (PyPI)
- Paquete
stigmem-node- Publicada
- 29.05.2026
- Actualizado
- 11.10.2026 14:19
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-9vp8-3hmv-8fgh - CC BY 4.0
Historial de vulnerabilidades: stigmem-node
Todas las vulnerabilidades publicadas de este paquete (Python (PyPI)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 10
- Primera → última
- 05.2026 08.2026
- Sin corrección
- 0
- Explotada en ataques
- 0
Distribución por gravedad
- Crítica 3
- Alta 6
- Media 1
Divulgaciones por año
- 2026: 10
-
stigmem-node's federation peer registration lacked explicit out-of-band approval esta entrada
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