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TI-2026-53342 Aliases CVE-2026-76237GHSA-w2cf-363h-rwff

stigmem before 0.9.0a12 Cross-Tenant BOLA via quarantine

Priority LOW 39CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00364 30th percentileScored 2026-11-07
Fix Fixed stigmem-node (eidetic-labs): 0.9.0a12

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
eidetic-labsstigmem-nodebefore 0.9.0a120.9.0a12Patch availableCNA
  • stigmem-node Vendoreidetic-labs Affected before 0.9.0a12 Fixed in 0.9.0a12 Patch available CNA

Remediation

  • Fix · CNA stigmem-node (eidetic-labs) Fixed in 0.9.0a12

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    eidetic-labs stigmem-node 0.9.0a12

    3 records Highest priority Priority LOW 3 LOW

    Other records, highest priority first

    • TI-2026-53343 stigmem before 0.9.0a12 Cross-Tenant BOLA via decay sweepPriority LOW 34
    • TI-2026-53341 stigmem before 0.9.0a12 Cross-Tenant BOLA via TombstonesPriority LOW 32
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-76237
  2. 2026-10-03 Alias added: GHSA-w2cf-363h-rwff

References

Advisory 1

  • TI-2026-53344 Stigmem before 0.9.0a11 SSRF via unvalidated webhook delivery_address CVSS 4.0MEDIUM 5.3
  • TI-2026-53348 stigmem before 0.9.0a2 Authentication Bypass via Disabled Auth CVSS 4.0CRITICAL 9.2
  • TI-2026-53349 stigmem-node Insecure Federation Transport Configuration CVSS 4.0CRITICAL 9.1
  • TI-2026-53347 stigmem Federation Peer Registration Authentication Bypass CVSS 4.0CRITICAL 9.1
  • TI-2026-53345 stigmem Postgres SQL Injection via Schema Identifier CVSS 4.0HIGH 7.5
  • TI-2026-53343 stigmem before 0.9.0a12 Cross-Tenant BOLA via decay sweep CVSS 4.0HIGH 7.2
See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences