{"id":"CVE-2026-76237","state":"PUBLISHED","title":"stigmem before 0.9.0a12 Cross-Tenant BOLA via quarantine","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.","publishedAt":"2026-08-19T14:02:15.899Z","updatedAt":"2026-08-21T11:21:09.073Z","severity":{"score":8.6,"label":"High","version":"4.0","vector":"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":"VulnCheck"},"assigner":"VulnCheck","products":["eidetic-labs stigmem-node"],"affected":[{"vendor":"eidetic-labs","product":"stigmem-node","packageURL":"pkg:pypi/stigmem-node","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.9.0a12","versionType":"python"},{"version":"0.9.0a12","status":"unaffected","versionType":"python"}]}],"references":["https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-xhv3-q4xx-349r","https://www.vulncheck.com/advisories/stigmem-before-0a12-cross-tenant-bola-via-quarantine"],"weaknesses":["CWE-639"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/76xxx/CVE-2026-76237.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-76237","state":"PUBLISHED","datePublished":"2026-08-19T14:02:15.899Z","dateUpdated":"2026-08-21T11:21:09.073Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-08-19T11:38:33.224Z"},"containers":{"cna":{"title":"stigmem before 0.9.0a12 Cross-Tenant BOLA via quarantine","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"eidetic-labs","product":"stigmem-node","packageURL":"pkg:pypi/stigmem-node","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.9.0a12","versionType":"python"},{"version":"0.9.0a12","status":"unaffected","versionType":"python"}]}],"references":[{"url":"https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-xhv3-q4xx-349r","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-xhv3-q4xx-349r)"},{"url":"https://www.vulncheck.com/advisories/stigmem-before-0a12-cross-tenant-bola-via-quarantine","name":"VulnCheck Advisory: stigmem before 0.9.0a12 Cross-Tenant BOLA via quarantine","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-08-21T11:21:09.073Z"},"datePublic":"2026-06-19T00:00:00.000Z","x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-20T15:39:14.779589Z","id":"CVE-2026-76237","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-20T15:39:27.674Z"}}]}}}