{"action":"Upgrade simplesamlphp/saml2-legacy to 4.19.3 or later.","affected":[{"fixed":"4.20.3","introduced":"4.20.0"},{"fixed":"4.19.3","introduced":"0"}],"component":"simplesamlphp/saml2-legacy","cve_ids":["CVE-2026-49289"],"ecosystem":"Packagist","epss":0.00784,"exploited":false,"fixed_versions":["4.20.3","4.19.3"],"ghsa_id":"GHSA-5cjr-mxj5-wmrx","id":"tcs_01M5KEVYQV752PNP7FGVF4Z38W","modified_at":"2026-08-05T13:00:18.818511159Z","published_at":"2026-07-02T20:27:23Z","references":["https://osv.dev/vulnerability/GHSA-5cjr-mxj5-wmrx","https://github.com/simplesamlphp/saml2/security/advisories/GHSA-5cjr-mxj5-wmrx","https://github.com/simplesamlphp/saml2"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-5cjr-mxj5-wmrx#Packagist/simplesamlphp/saml2-legacy","url":"https://osv.dev/vulnerability/GHSA-5cjr-mxj5-wmrx"}],"summary":"SimpleSAMLphp has Possible DoS via XPath Transform"}