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CVE-2026-76237— stigmem before 0.9.0a12 Cross-Tenant BOLA via quarantine

Quick assessment

Affected
eidetic-labs stigmem-node
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 0.9.0a12之前版本存在授权问题漏洞，该漏洞源于隔离审查端点存在对象级授权失效（跨租户BOLA），list/count查询和_get_quarantined_fact缺少tenant_id谓词且garden查找未按租户限定，可能导致具有普通租户写入权限的租户管理员越权访问其他租户的隔离事实。

CVSS 8.6 · High EPSS 0.29% · P22

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 2

VendorProduct Version RangeStatus
eidetic-labs stigmem-node < 0.9.0a12 affected
0.9.0a12 unaffected
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I. Basic Information for CVE-2026-76237

Vulnerability Information
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Vulnerability Title
stigmem before 0.9.0a12 Cross-Tenant BOLA via quarantine
Source: CVE Program / CVE List V5
Vulnerability Description
stigmem-node before 0.9.0a12 contains a broken object level authorization (cross-tenant BOLA) vulnerability in the quarantine review endpoints. On multi-tenant deployments running the opt-in stigmem-plugin-multi-tenant, the list/count queries and _get_quarantined_fact in routes/quarantine.py lacked a tenant_id predicate and the garden lookup was not tenant-scoped, allowing a tenant administrator with only a plain tenant write capability to list, read, and admit or reject quarantined facts belonging to other tenants via the /v1/quarantine endpoints. Default single-tenant deployments are not affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
eidetic-labs stigmem 授权问题漏洞
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 0.9.0a12之前版本存在授权问题漏洞，该漏洞源于隔离审查端点存在对象级授权失效（跨租户BOLA），list/count查询和_get_quarantined_fact缺少tenant_id谓词且garden查找未按租户限定，可能导致具有普通租户写入权限的租户管理员越权访问其他租户的隔离事实。
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-node 0 ~ 0.9.0a12 -

II. Public POCs for CVE-2026-76237

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7298 chars
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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
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III. Intelligence Information for CVE-2026-76237

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Vendor Advisories for CVE-2026-76237 (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-2026-76242 9.1 CRITICAL stigmem Federation Peer Registration Authentication Bypass
CVE-2026-76244 9.1 CRITICAL stigmem-node Insecure Federation Transport Configuration
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-node
Same vendor: eidetic-labs
Same weakness: CWE-639

V. Comments for CVE-2026-76237

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