{"id":"CVE-2026-76237","summary":"stigmem before 0.9.0a12 Cross-Tenant BOLA via quarantine","details":"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.","aliases":["GHSA-xhv3-q4xx-349r"],"modified":"2026-08-23T03:42:56.273882680Z","published":"2026-08-19T14:02:15.899Z","database_specific":{"cwe_ids":["CWE-639"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76237.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/76xxx/CVE-2026-76237.json"},{"type":"ADVISORY","url":"https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-xhv3-q4xx-349r"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-76237"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/stigmem-before-0a12-cross-tenant-bola-via-quarantine"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/eidetic-labs/stigmem","events":[{"introduced":"0"},{"fixed":"935751421d481fa05bf3d56adba590c2de95378c"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.9.0a12"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["v0.9.0a11","v0.9.0a10","v0.9.0a9","v0.9.0a8","v0.9.0a7","v0.9.0a6","v0.9.0a5","v0.9.0a4","v0.9.0a3","v0.9.0a2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-76237.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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"}]}