{"schema":"threatline.record/2","record":{"id":"CVE-2026-110873","aliases":["GHSA-c3f4-2mrj-jfqr"],"summary":"Heym 0.0.55 before 0.0.121 Credential Theft via error_workflow_id Field","details":"Heym from 0.0.55 before 0.0.121 contains a privilege escalation vulnerability that allows shared collaborators to overwrite a workflow's error_workflow_id because the field is missing from OWNER_ONLY_EXECUTION_FIELDS. Attackers can point the error workflow to their own workflow with an HTTP node, and when the parent workflow errors the owner's decrypted credentials are injected and exfiltrated.","categories":["Unclassified"],"product":"heym","vendor":"heymrun","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110873","source_modified_at":"2026-10-16T17:14:18.802Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"heym","vendor":"heymrun","versions":[{"version":"0.0.55","status":"affected","versionType":"semver","lessThan":"0.0.121"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110873","source_modified_at":"2026-10-16T17:14:18.802Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"heym","ecosystem":null},"version":"0.0.121","basis":"first unaffected version stated in the CVE record"}],"cvss":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00213,"percentile":0.10998,"score_date":"2026-10-23"},"published_at":"2026-10-14T22:53:01.452Z","modified_at":"2026-10-16T17:14:18.802Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110873","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-16T17:14:18.802Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110873","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-c3f4-2mrj-jfqr","tags":["vendor-advisory"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/heym-0.0.55-before-0.0.121-credential-theft-via-error-workflow-id-field","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":"2026-10-16T16:31:20.617971Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-16T17:14:18.802Z","content_hash":"fb9481467bebb7a0d8ea893da0618c3a83f3e4fa16de8c5c28dac6cb5b14615e"}}