{"id":"CVE-2026-100871","aliases":["EUVD-2026-87943","GHSA-f6mx-qxjc-55xf","GHSA-mxrg-842r-h599"],"status":"published","title":"Sylius before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 JWT Audience Confusion Allows Admin API Authentication","description":"Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 fail to include firewall identification in JWT tokens issued by separate Admin and Shop API endpoints. Attackers can register a shop customer account using an administrator's email address and obtain a token that the Admin API resolves to that administrator, granting full administrative access.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00309,"percentile":0.23986,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2026-09-27T13:09:55Z","modified":"2026-10-28T02:30:26Z","products":[{"vendor":"sylius","product":"sylius"}],"references":[{"url":"https://github.com/Sylius/Sylius/security/advisories/GHSA-f6mx-qxjc-55xf","tags":["vendor-advisory","advisory"]},{"url":"https://github.com/Sylius/Sylius/pull/19213","tags":["patch","issue-tracking","fix"]},{"url":"https://github.com/Sylius/Sylius/commit/cdfb672a4d174eb2c73159b25cf5b5f44088f45c","tags":["patch","fix"]},{"url":"https://github.com/Sylius/Sylius/releases/tag/v2.2.9","tags":["release-notes","advisory"]},{"url":"https://github.com/Sylius/Sylius","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/sylius-before-1.12.25-1.13.17-1.14.20-2.1.16-and-2.2.9-jwt-audience-confusion-allows-admin-api-authentication","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100871","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-mxrg-842r-h599"},{"url":"https://packagist.org","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/100xxx/CVE-2026-100871.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-100871","title":"Sylius before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 JWT Audience Confusion Allows Admin API Authentication","description":"Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 fail to include firewall identification in JWT tokens issued by separate Admin and Shop API endpoints. Attackers can register a shop customer account using an administrator's email address and obtain a token that the Admin API resolves to that administrator, granting full administrative access.","status":"published","published":"2026-09-27T13:09:55.386Z","modified":"2026-10-06T13:36:51.028Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:20:06.925367Z"}],"euvd":[{"id":"EUVD-2026-87943","description":"Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 fail to include firewall identification in JWT tokens issued by separate Admin and Shop API endpoints. Attackers can register a shop customer account using an administrator's email address and obtain a token that the Admin API resolves to that administrator, granting full administrative access.","status":"published","published":"2026-09-27T13:09:55Z","modified":"2026-10-06T13:36:51Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T17:27:37.923108Z"}],"ghsa":[{"id":"GHSA-mxrg-842r-h599","title":"Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 fail to include firewall...","description":"Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 fail to include firewall identification in JWT tokens issued by separate Admin and Shop API endpoints. Attackers can register a shop customer account using an administrator's email address and obtain a token that the Admin API resolves to that administrator, granting full administrative access.","status":"published","published":"2026-09-27T15:31:07Z","modified":"2026-09-27T15:31:14Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:12:30.689958Z"}],"nvd":[{"id":"CVE-2026-100871","description":"Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 fail to include firewall identification in JWT tokens issued by separate Admin and Shop API endpoints. Attackers can register a shop customer account using an administrator's email address and obtain a token that the Admin API resolves to that administrator, granting full administrative access.","status":"published","published":"2026-09-27T13:16:38.38Z","modified":"2026-09-30T16:17:04.363Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:12:52.081323Z"}],"osv":[{"id":"CVE-2026-100871","title":"Sylius before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 JWT Audience Confusion Allows Admin API Authentication","description":"Sylius versions before 1.12.25, 1.13.17, 1.14.20, 2.1.16, and 2.2.9 fail to include firewall identification in JWT tokens issued by separate Admin and Shop API endpoints. Attackers can register a shop customer account using an administrator's email address and obtain a token that the Admin API resolves to that administrator, granting full administrative access.","status":"published","published":"2026-09-27T13:09:55.386Z","modified":"2026-10-28T02:30:26.664024877Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:44:53.83521Z"}]}}