CVE-2026-76236

stigmem-node before 0.9.0a12 contains a cross-tenant broken object level authorization BOLA flaw in the RTBF right-to-be-forgotten tombstone mechanism. issuetombstone defaulted the tenant to "default" instead of the caller's tenant, allowing deletion records to be written to the wrong tenant, and...

CVE-2026-76237

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 getquarantinedfact in routes/quarantine.py lacked a...

CVE-2026-76236: Authorization Bypass Through User-Controlled Key

stigmem-node before 0.9.0a12 contains a cross-tenant broken object level authorization BOLA flaw in the RTBF right-to-be-forgotten tombstone mechanism. issuetombstone defaulted the tenant to "default" instead of the caller's tenant, allowing deletion records to be written to the wrong tenant, and...

PT-2026-53801

Summary On a multi-tenant stigmem node, RTBF right-to-be-forgotten tombstones were mis-scoped two ways. 1 issue tombstone defaulted the tenant to "default" instead of the caller's tenant, so tombstones could be written to the wrong tenant. 2 The read-suppression path — get tombstone filter...