{"action":"Upgrade signxml to 4.0.4 or later.","affected":[{"fixed":"4.0.4","introduced":"0"}],"component":"signxml","cve_ids":["CVE-2025-48994"],"ecosystem":"PyPI","epss":0.00228,"exploited":false,"fixed_versions":["4.0.4"],"ghsa_id":"GHSA-6vx8-pcwv-xhf4","id":"tcs_01M5KGWFBWG1M2HFM93QRSRMEM","modified_at":"2026-07-07T17:48:12.634281520Z","published_at":"2026-07-07T16:02:53.867049Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1921","https://github.com/XML-Security/signxml/security/advisories/GHSA-6vx8-pcwv-xhf4","https://nvd.nist.gov/vuln/detail/CVE-2025-48994","https://github.com/XML-Security/signxml/commit/e3c0c2b82a3329a65d917830657649c98b8c7600","https://github.com/XML-Security/signxml","https://pypi.org/project/signxml","https://github.com/advisories/GHSA-6vx8-pcwv-xhf4"],"severity":{"label":"medium","score":6.9},"sources":[{"source":"osv","source_id":"PYSEC-2026-1921","url":"https://osv.dev/vulnerability/PYSEC-2026-1921"},{"source":"nvd","source_id":"CVE-2025-48994","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-48994"}],"summary":"SignXML's signature verification with HMAC is vulnerable to an algorithm confusion attack"}