{"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_01M5KEZ92QN12JQ2S6E2XTQJCA","modified_at":"2025-04-09T20:36:40.722370Z","published_at":"2025-02-21T22:43:33Z","references":["https://osv.dev/vulnerability/GHSA-4w26-8p97-f4jp","https://github.com/vyperlang/vyper/security/advisories/GHSA-4w26-8p97-f4jp","https://nvd.nist.gov/vuln/detail/CVE-2025-27105","https://github.com/pypa/advisory-database/tree/main/vulns/vyper/PYSEC-2025-31.yaml","https://github.com/vyperlang/vyper"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-4w26-8p97-f4jp","url":"https://osv.dev/vulnerability/GHSA-4w26-8p97-f4jp"},{"source":"nvd","source_id":"CVE-2025-27105","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27105"}],"summary":"AugAssign evaluation order causing OOB write within the object in Vyper"}