{"id":"CVE-2026-100860","revision":null,"records":[{"revision":"8e7e5cd801e4468fbc0bb2b7594f8264","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-100860","aliases":[],"title":"heym before 0.0.105 Authentication Bypass via Redis Node","description":"heym before 0.0.105 does not act on the result of the credential authorization lookup in the Redis workflow node (backend/app/services/node_execution/nodes/redis_node.py). When _get_accessible_credential returns None — because the credential ID does not exist or the caller is not authorized to use it — the node treats the lookup failure as an empty configuration and falls back to defaults, connecting to localhost:6379 with no password and executing the requested operation there. The same fallback occurs when an accessible credential has an empty config or no redis_host value. An authenticated workflow author who supplies a credential ID they do not own, or one that was deleted, therefore obtains a read/write connection to whatever Redis is listening on the backend's loopback interface instead of an error. Impact depends on the deployment: the stock docker-compose.yml ships no Redis, in which case the flaw surfaces as a misleading connection error rather than data exposure.","state":0,"publishedAt":"2026-09-27T01:28:50.589+00:00","modifiedAt":"2026-09-28T16:05:18.442+00:00","affected":[{"ecosystem":"Vendor product","name":"heym","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"heymrun\",\n                    \"product\": \"heym\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"0.0.105\"\n                        },\n                        {\n                            \"version\": \"0.0.105\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.8,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.5,"severity":"MEDIUM"}],"references":["https://github.com/heymrun/heym/security/advisories/GHSA-fmpw-hj3m-xvj6","https://www.vulncheck.com/advisories/heym-before-0.0.105-authentication-bypass-via-redis-node"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-100860","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-100860","identifiers":["CVE-2026-100860"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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