CVE-2026-76242stigmem Federation Peer Registration Authentication Bypass
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 9.1 CRITICAL (v4.0, CNA)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
- Weakness (CWE)
- CWE-295
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Aug 20, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
eidetic-labs stigmem eidetic_labs:stigmem (from the name) | before 0.9.0a2; 0.9.0a2 not affected | CNA record |
References
- https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-9vp8-3hmv-8fghvendor-advisory
- https://www.vulncheck.com/advisories/stigmem-federation-peer-registration-authentication-bypassthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.