CVE-2026-76242
9.1
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
Summary
stigmem-node 0.9.0a1 accepts federation peer key material during peer registration without a separate administrator out-of-band fingerprint approval step. On nodes that accept federation peer registration over a network where initial registration can be intercepted or misdirected, an attacker can register a malicious peer and gain access to or tamper with federation traffic. Fixed in 0.9.0a2, which introduces a pending approval flow requiring administrator fingerprint verification before peer tokens are accepted.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| eidetic-labs | stigmem | 0 < 0.9.0a2 | affected |
| eidetic-labs | stigmem | 0.9.0a2 | unaffected |
Weaknesses
- CWE-295: Improper Certificate Validation
References
- https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-9vp8-3hmv-8fgh
- https://www.vulncheck.com/advisories/stigmem-federation-peer-registration-authentication-bypass
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