{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-53875: picklescan - Scanning Bypass via Dynamic Eval in scan_pytorch","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-53875","status":"final","version":"1","initial_release_date":"2026-06-17T15:05:04.255Z","current_release_date":"2026-06-17T17:50:32.410Z","revision_history":[{"date":"2026-06-17T15:05:04.255Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"picklescan before 1.0.3 contains a scanning bypass vulnerability in the scan_pytorch function that allows attackers to embed malicious magic numbers via dynamic eval using the __reduce__ trick. Attackers can craft malicious PyTorch payloads that evade picklescan detection while remaining executable, enabling arbitrary code execution when loaded with torch.load().","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-53875 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-53875"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-53875"},{"category":"external","summary":"GHSA Advisory GHSA-97f8-7cmv-76j2","url":"https://github.com/mmaitre314/picklescan/security/advisories/GHSA-97f8-7cmv-76j2"},{"category":"external","summary":"https://github.com/mmaitre314/picklescan/commit/2a8383cfeb4158567f9770d86597300c9e508d0f","url":"https://github.com/mmaitre314/picklescan/commit/2a8383cfeb4158567f9770d86597300c9e508d0f"},{"category":"external","summary":"https://github.com/mmaitre314/picklescan/commit/134179474539648ba7dee1317959529fbd0e7f89","url":"https://github.com/mmaitre314/picklescan/commit/134179474539648ba7dee1317959529fbd0e7f89"},{"category":"external","summary":"VulnCheck Advisory: picklescan - Scanning Bypass via Dynamic Eval in scan_pytorch","url":"https://www.vulncheck.com/advisories/picklescan-scanning-bypass-via-dynamic-eval-in-scan-pytorch"}]},"product_tree":{"branches":[{"category":"vendor","name":"picklescan","branches":[{"category":"product_name","name":"picklescan","branches":[{"category":"product_version_range","name":"<1.0.3","product":{"name":"picklescan picklescan <1.0.3","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:picklescan:picklescan:*:*:*:*:*:*:*:*"}}},{"category":"product_version","name":"1.0.3","product":{"name":"picklescan picklescan 1.0.3","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:picklescan:picklescan:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-53875","title":"picklescan - Scanning Bypass via Dynamic Eval in scan_pytorch","notes":[{"category":"description","text":"picklescan before 1.0.3 contains a scanning bypass vulnerability in the scan_pytorch function that allows attackers to embed malicious magic numbers via dynamic eval using the __reduce__ trick. Attackers can craft malicious PyTorch payloads that evade picklescan detection while remaining executable, enabling arbitrary code execution when loaded with torch.load().","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"],"fixed":["CSAFPID-2"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","baseScore":7.1,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"vendor_fix","details":"Update to a fixed version: 1.0.3.","product_ids":["CSAFPID-1"],"url":"https://github.com/mmaitre314/picklescan/commit/2a8383cfeb4158567f9770d86597300c9e508d0f"}]}]}