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CVE-2026-76242— stigmem Federation Peer Registration Authentication Bypass

Quick assessment

Affected
eidetic-labs stigmem
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

eidetic-labs stigmem是eidetic-labs组织的一款威胁情报网络产品。 eidetic-labs stigmem 0.9.0a1版本存在加密问题漏洞，该漏洞源于对等节点注册过程中接受联邦对等节点密钥材料时缺少管理员带外指纹验证，可能导致攻击者注册恶意对等节点并访问或篡改联邦流量。

CVSS 9.1 · Critical EPSS 0.27% · P19

Possible ATT&CK Techniques 1 AI

T1133 · External Remote Services

Affected Version Matrix 2

VendorProduct Version RangeStatus
eidetic-labs stigmem < 0.9.0a2 affected
0.9.0a2 unaffected
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I. Basic Information for CVE-2026-76242

Vulnerability Information
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Vulnerability Title
stigmem Federation Peer Registration Authentication Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
证书验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
eidetic-labs stigmem 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
eidetic-labs stigmem是eidetic-labs组织的一款威胁情报网络产品。 eidetic-labs stigmem 0.9.0a1版本存在加密问题漏洞，该漏洞源于对等节点注册过程中接受联邦对等节点密钥材料时缺少管理员带外指纹验证，可能导致攻击者注册恶意对等节点并访问或篡改联邦流量。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
eidetic-labs stigmem 0 ~ 0.9.0a2 -

II. Public POCs for CVE-2026-76242

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8814 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-76242

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Vendor Advisories for CVE-2026-76242 (2)

Same Patch Batch · eidetic-labs · 2026-08-19 · 10 CVEs total

CVE-2026-76243 9.2 CRITICAL stigmem before 0.9.0a2 Authentication Bypass via Disabled Auth
CVE-2026-76244 9.1 CRITICAL stigmem-node Insecure Federation Transport Configuration
CVE-2026-76237 8.6 HIGH stigmem before 0.9.0a12 Cross-Tenant BOLA via quarantine
CVE-2026-76240 7.5 HIGH stigmem Postgres SQL Injection via Schema Identifier
CVE-2026-76241 7.3 HIGH stigmem Plugin Signature Enforcement Bypass via Configuration
CVE-2026-76238 7.2 HIGH stigmem before 0.9.0a12 Cross-Tenant BOLA via decay sweep
CVE-2026-76236 7.2 HIGH stigmem before 0.9.0a12 Cross-Tenant BOLA via Tombstones
CVE-2026-76245 7.1 HIGH stigmem Federation Peer Token Timestamp Validation Bypass
CVE-2026-76239 6.3 MEDIUM Stigmem before 0.9.0a11 SSRF via unvalidated webhook delivery_address

IV. Related Vulnerabilities

Same product: stigmem
Same vendor: eidetic-labs
Same weakness: CWE-295

V. Comments for CVE-2026-76242

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