{"action":"Upgrade simplesamlphp/saml2 to 5.0.0-alpha.13 or later.","affected":[{"fixed":"5.0.0-alpha.13","introduced":"5.0.0-alpha.12"}],"component":"simplesamlphp/saml2","cve_ids":["CVE-2023-49087"],"ecosystem":"Packagist","epss":0.00193,"exploited":false,"fixed_versions":["5.0.0-alpha.13"],"ghsa_id":"GHSA-ww7x-3gxh-qm6r","id":"tcs_01M5KFAE3YQCJKW3KGZQP3TF4Z","modified_at":"2026-09-10T03:50:04.325350590Z","published_at":"2023-11-28T18:52:19Z","references":["https://osv.dev/vulnerability/GHSA-ww7x-3gxh-qm6r","https://github.com/simplesamlphp/xml-security/security/advisories/GHSA-ww7x-3gxh-qm6r","https://nvd.nist.gov/vuln/detail/CVE-2023-49087","https://github.com/simplesamlphp/xml-security/commit/f509e3083dd7870cce5880c804b5122317287581","https://github.com/simplesamlphp/xml-security","https://github.com/simplesamlphp/xml-security/blob/master/src/XML/SignedElementTrait.php"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-ww7x-3gxh-qm6r#Packagist/simplesamlphp/saml2","url":"https://osv.dev/vulnerability/GHSA-ww7x-3gxh-qm6r"}],"summary":"Validation of SignedInfo"}