{"action":"Upgrade openssl-encrypt to 1.4.9 or later.","affected":[{"fixed":"1.4.9","introduced":"0"}],"component":"openssl-encrypt","cve_ids":["CVE-2026-81720"],"ecosystem":"PyPI","epss":0.00185,"exploited":false,"fixed_versions":["1.4.9"],"ghsa_id":"GHSA-783h-8q2f-f762","id":"tcs_01M5KH8ZA96XRZ1J2TVDX5Y0H9","modified_at":"2026-09-10T13:00:03.307189104Z","published_at":"2026-08-27T17:21:02.477Z","references":["https://osv.dev/vulnerability/PYSEC-2026-3965","https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-783h-8q2f-f762","https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-denial-of-service-via-unbounded-argon2"],"severity":{"label":"medium","score":6.2},"sources":[{"source":"osv","source_id":"PYSEC-2026-3965","url":"https://osv.dev/vulnerability/PYSEC-2026-3965"},{"source":"nvd","source_id":"CVE-2026-81720","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81720"}],"summary":"openssl_encrypt before 1.4.9 fails to validate the memory_cost parameter from identity file protection blocks, allowing attackers to trigger out-of-memory conditions during key derivation. Attackers w"}