{"schema":"threatline.record/2","record":{"id":"CVE-2026-105396","aliases":["GHSA-6rv3-wh25-7pg5"],"summary":"Heym before v0.0.112 HITL Review Token Leak via Spoofable Origin Header","details":"Heym before v0.0.112 contains a token leakage vulnerability in build_public_base_url() that allows unauthenticated attackers to redirect HITL review links by spoofing Origin or X-Forwarded-Host headers. Attackers can trigger anonymous workflows with forged headers so reviewer notifications point to attacker domains, capturing capability tokens to submit decisions executed with owner credentials.","categories":["Unclassified"],"product":"heym","vendor":"heymrun","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105396","source_modified_at":"2026-10-05T14:13:10.868Z","fetched_at":"2026-10-23T18:52:38.922436Z","product":"heym","vendor":"heymrun","versions":[{"version":"0","status":"affected","versionType":"semver","lessThan":"0.0.112"},{"version":"0.0.112","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-105396","source_modified_at":"2026-10-05T14:13:10.868Z","fetched_at":"2026-10-23T18:52:38.922436Z","package":{"name":"heym","ecosystem":null},"version":"0.0.112","basis":"first unaffected version stated in the CVE record"}],"cvss":5.3,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00098,"percentile":0.00737,"score_date":"2026-10-23"},"published_at":"2026-10-05T11:09:45.174Z","modified_at":"2026-10-05T14:13:10.868Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-105396","fetched_at":"2026-10-23T18:52:38.922436Z","source_modified_at":"2026-10-05T14:13:10.868Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-105396","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/heymrun/heym/security/advisories/GHSA-6rv3-wh25-7pg5","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/heym-before-0.0.112-hitl-review-token-leak-via-spoofable-origin-header","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-05T14:13:02.577108Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-05T14:13:10.868Z","content_hash":"223c9fba134db57bc53cf8b25fb4c10fb1d19d3bc8aa42f34cbcc09dc32c2bc2"}}