{"id":"CVE-2026-45491","aliases":["BIT-dotnet-sdk-2026-45491","GHSA-7q4v-2mr6-5gpx"],"url":"https://o3.security/vulnerability/CVE-2026-45491","summary":".NET Tampering Vulnerability","details":"Improper link resolution before file access ('link following') in .NET allows an unauthorized attacker to perform tampering locally.","published":"2026-06-18T09:47:23.250Z","modified":"2026-09-08T08:47:00.359554615Z","cvss":null,"epss":{"score":0.00388,"percentile":0.31877,"asOf":"2026-09-01"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Bitnami","name":"dotnet","fixedVersion":"8.0.28"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45491"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45491"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-08T08:47:00.359554615Z"}}