{"id":"CVE-2026-100870","revision":"a73a3d63da2f466dae4c32d88399c8f1","records":[{"revision":"a73a3d63da2f466dae4c32d88399c8f1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-100870","aliases":[],"title":"Sylius before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 Admin Password Reset Poisoning via Host Header","description":"Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 build administrator password-reset links using the request Host header without validation, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can request password resets for known administrator email addresses with forged Host headers to intercept valid reset tokens and take over administrator accounts.","state":0,"publishedAt":"2026-09-27T13:09:54.715+00:00","modifiedAt":"2026-10-06T13:36:50.158+00:00","affected":[{"ecosystem":"https://packagist.org","name":"sylius/sylius","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Sylius\",\n                    \"product\": \"Sylius\",\n                    \"collectionURL\": \"https://packagist.org\",\n                    \"packageName\": \"sylius/sylius\",\n                    \"packageURL\": \"pkg:composer/sylius/sylius\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"1.12.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.12.25\"\n                        },\n                        {\n                            \"version\": \"1.13.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.13.17\"\n                        },\n                        {\n                            \"version\": \"1.14.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"1.14.20\"\n                        },\n                        {\n                            \"version\": \"2.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.1.16\"\n                        },\n                        {\n                            \"version\": \"2.2.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"2.2.9\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://github.com/Sylius/Sylius/security/advisories/GHSA-77w3-2367-7xvq","https://github.com/Sylius/Sylius/pull/19215","https://github.com/Sylius/Sylius/commit/1255d75b20d3d88a5e5c8d46791504134c838480","https://github.com/Sylius/Sylius/releases/tag/v2.2.9","https://github.com/Sylius/Sylius","https://www.vulncheck.com/advisories/sylius-before-1.12.25-1.13.17-1.14.20-2.1.16-and-2.2.9-admin-password-reset-poisoning-via-host-header"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-100870","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-100870","identifiers":["CVE-2026-100870"]},"retained":false,"historicalAffected":[]}],"coverage":[]}