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CVE-2026-76238— stigmem before 0.9.0a12 Cross-Tenant BOLA via decay sweep

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decay sweep端点存在对象级授权失效问题，可能允许具有单个租户写凭据的已认证攻击者执行影响所有租户的decay操作，或通过提交ttl_seconds=0的POST请求过期所有租户的事实，以及使用dry_run获取跨租户事实计数和存在信息。

CVSS 7.2 · High EPSS 0.27% · P19

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-2026-76238

Vulnerability Information
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Vulnerability Title
stigmem before 0.9.0a12 Cross-Tenant BOLA via decay sweep
Source: CVE Program / CVE List V5
Vulnerability Description
stigmem versions before 0.9.0a12 contain a broken object level authorization vulnerability in the decay sweep endpoint that allows authenticated attackers with write credentials for one tenant to execute decay operations affecting all tenants. Attackers can submit POST requests to the decay sweep endpoint with ttl_seconds=0 to expire facts across all tenants, or use dry_run to obtain cross-tenant fact counts and existence information.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
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decay sweep端点存在对象级授权失效问题，可能允许具有单个租户写凭据的已认证攻击者执行影响所有租户的decay操作，或通过提交ttl_seconds=0的POST请求过期所有租户的事实，以及使用dry_run获取跨租户事实计数和存在信息。
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-2026-76238

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 14836 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-2026-76238

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Vendor Advisories for CVE-2026-76238 (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-2026-76237 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-2026-76236 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-863

V. Comments for CVE-2026-76238

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