{"action":"Upgrade guzzlehttp/psr7 to 2.10.2 or later.","affected":[{"fixed":"2.10.2","introduced":"0"}],"component":"guzzlehttp/psr7","cve_ids":["CVE-2026-48998"],"ecosystem":"Packagist","epss":0.00198,"exploited":false,"fixed_versions":["2.10.2"],"ghsa_id":"GHSA-34xg-wgjx-8xph","id":"tcs_01M5KESKDZS4NGK2534TCV405F","modified_at":"2026-09-10T03:51:07.670836428Z","published_at":"2026-06-11T13:04:53Z","references":["https://osv.dev/vulnerability/GHSA-34xg-wgjx-8xph","https://github.com/guzzle/psr7/security/advisories/GHSA-34xg-wgjx-8xph","https://nvd.nist.gov/vuln/detail/CVE-2026-48998","https://github.com/FriendsOfPHP/security-advisories/blob/master/guzzlehttp/psr7/CVE-2026-48998.yaml","https://github.com/guzzle/psr7"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-34xg-wgjx-8xph","url":"https://osv.dev/vulnerability/GHSA-34xg-wgjx-8xph"}],"summary":"guzzlehttp/psr7 has Host Confusion via Authority Reinterpretation"}