{"action":"Upgrade vyper to 0.4.1 or later.","affected":[{"fixed":"0.4.1","introduced":"0"}],"component":"vyper","cve_ids":["CVE-2025-27105"],"ecosystem":"PyPI","epss":0.0057,"exploited":false,"fixed_versions":["0.4.1"],"ghsa_id":"GHSA-4w26-8p97-f4jp","id":"tcs_01M5KGPK5VKHPAAMF3D1G3F4J7","modified_at":"2025-04-09T17:59:24.390760Z","published_at":"2025-02-21T22:15:13Z","references":["https://osv.dev/vulnerability/PYSEC-2025-31","https://github.com/vyperlang/vyper/security/advisories/GHSA-4w26-8p97-f4jp"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"PYSEC-2025-31","url":"https://osv.dev/vulnerability/PYSEC-2025-31"},{"source":"nvd","source_id":"CVE-2025-27105","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27105"}],"summary":"vyper is a Pythonic Smart Contract Language for the EVM. Vyper handles AugAssign statements by first caching the target location to avoid double evaluation. However, in the case when target is an acce"}