{"action":"Upgrade signxml to 4.0.4 or later.","affected":[{"fixed":"4.0.4","introduced":"0"}],"component":"signxml","cve_ids":["CVE-2025-48995"],"ecosystem":"PyPI","epss":0.00239,"exploited":false,"fixed_versions":["4.0.4"],"ghsa_id":"GHSA-gmhf-gg8w-jw42","id":"tcs_01M5KGWFG37WJN5KNHC4HMKW8M","modified_at":"2026-07-07T17:48:12.603963915Z","published_at":"2026-07-07T16:02:53.797116Z","references":["https://osv.dev/vulnerability/PYSEC-2026-1922","https://github.com/XML-Security/signxml/security/advisories/GHSA-gmhf-gg8w-jw42","https://nvd.nist.gov/vuln/detail/CVE-2025-48995","https://github.com/XML-Security/signxml/commit/1b501faaacf34cf978a52dbc6915ec11e27611cd","https://github.com/XML-Security/signxml","https://pypi.org/project/signxml","https://github.com/advisories/GHSA-gmhf-gg8w-jw42"],"severity":{"label":"medium","score":6.9},"sources":[{"source":"osv","source_id":"PYSEC-2026-1922","url":"https://osv.dev/vulnerability/PYSEC-2026-1922"},{"source":"nvd","source_id":"CVE-2025-48995","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-48995"}],"summary":"SignXML's signature verification with HMAC is vulnerable to a timing attack"}