{"id":"CVE-2026-110865","revision":"af9bc90cf11c4a26ae32411655d2e8fb","records":[{"revision":"af9bc90cf11c4a26ae32411655d2e8fb","observedAt":"2026-10-26T16:35:30.797+00:00","statement":{"source":"cve-program","id":"CVE-2026-110865","aliases":[],"title":"Renovate before 44.60.1 HTTP Header Allowlist Bypass via Shared Presets","description":"Renovate before 44.60.1 contains an allowlist bypass vulnerability that allows repository users to evade the allowedHeaders restriction by placing hostRules headers inside shared presets. Attackers can supply internal or externally sourced presets with unvalidated hostRules[].headers to inject custom HTTP headers into requests Renovate sends to other hosts.","state":0,"publishedAt":"2026-10-14T22:52:52.525+00:00","modifiedAt":"2026-10-26T15:22:16.486+00:00","affected":[{"ecosystem":"Vendor product","name":"renovate","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"renovatebot\",\n                    \"product\": \"renovate\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:npm/renovate\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"44.60.1\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"renovate-ce","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"mend\",\n                    \"product\": \"renovate-ce\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"15.5.0\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"renovate-ee-server","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"mend\",\n                    \"product\": \"renovate-ee-server\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"15.5.0\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"renovate-ee-worker","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"mend\",\n                    \"product\": \"renovate-ee-worker\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"15.5.0\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"mend-renovate-ce helm chart","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"mend\",\n                    \"product\": \"mend-renovate-ce helm chart\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"15.5.0\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"mend-renovate-enterprise-edition helm chart","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"mend\",\n                    \"product\": \"mend-renovate-enterprise-edition helm chart\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"10.5.0\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N","score":7.1,"severity":"HIGH"}],"references":["https://github.com/renovatebot/renovate/security/advisories/GHSA-6j6f-fh7w-vvjr","https://www.vulncheck.com/advisories/renovate-before-44.60.1-http-header-allowlist-bypass-via-shared-presets"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110865","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110865","identifiers":["CVE-2026-110865"]},"retained":false,"historicalAffected":[]}],"coverage":[]}