{"action":"Upgrade pymonocypher to 4.0.2.8 or later.","affected":[{"fixed":"4.0.2.8","introduced":"0"}],"component":"pymonocypher","cve_ids":["CVE-2026-53720"],"ecosystem":"PyPI","epss":0.00178,"exploited":false,"fixed_versions":["4.0.2.8"],"ghsa_id":"GHSA-8f95-v3jq-cj86","id":"tcs_01M5KH2VA8730WX8EYGHP3YW3F","modified_at":"2026-07-13T16:33:07.802709798Z","published_at":"2026-07-13T15:46:30.235469Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3000","https://github.com/jetperch/pymonocypher/security/advisories/GHSA-8f95-v3jq-cj86","https://github.com/jetperch/pymonocypher/commit/90ff5b13b13b5673c372e188f482d8c172e6ab86","https://github.com/jetperch/pymonocypher","https://pypi.org/project/pymonocypher","https://github.com/advisories/GHSA-8f95-v3jq-cj86","https://nvd.nist.gov/vuln/detail/CVE-2026-53720"],"severity":{"label":"medium","score":5.1},"sources":[{"source":"osv","source_id":"PYSEC-2026-3000","url":"https://osv.dev/vulnerability/PYSEC-2026-3000"},{"source":"nvd","source_id":"CVE-2026-53720","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53720"}],"summary":"pymonocypher: Potential heap buffer overflow on nb_blocks in argon2i_32 when provided buffer is too small"}