{"id":"CVE-2026-76237","title":"stigmem-node before 0.9.0a12 contains a broken object level authorization (cross-tenant BOLA) vulnerability in the quarantine review endpoints","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 qu…","severity":"high","cwe":["CWE-639"],"vendor":"stigmem-node","product":"stigmem-node","affected":["stigmem-node < 0.9.0a12"],"patched":["stigmem-node 0.9.0a12"],"published":"2026-08-19","updated":"2026-09-24","sourceUpdated":"2026-09-24T20:06:30.133","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-76237","references":[{"url":"https://github.com/eidetic-labs/stigmem/security/advisories/GHSA-xhv3-q4xx-349r","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/stigmem-before-0a12-cross-tenant-bola-via-quarantine","label":"disclosure@vulncheck.com"},{"url":"https://github.com/eidetic-labs/stigmem/pull/728"},{"url":"https://github.com/eidetic-labs/stigmem"}],"tags":["nvd","osv","pip"],"epss":0.00364,"epssPercentile":0.30093,"aliases":["GHSA-xhv3-q4xx-349r"],"ecosystem":"pip","ingestedAt":"2026-08-20T19:23:07.108Z","slug":"CVE-2026-76237","body":"## Overview\n\nstigmem-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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-76237)\n\nAffected packages:\n\n- `stigmem-node < 0.9.0a12`\n\nPatched in:\n\n- `stigmem-node 0.9.0a12`\n\nSource: https://osv.dev/vulnerability/GHSA-xhv3-q4xx-349r","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}