Deserialization in Picklescan
CVE-2025-71366
picklescan before 0.0.28 fails to detect malicious torch.utils.bottleneck.__main__.run_cprofile function calls in pickle files, allowing attackers to bypass safety checks. Remote attackers can embed undetected code in pickle files to achieve arbitrary code execution when victims load the files.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (45.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: -0.001
Affected products
- Picklescan — versions 0, 0.0.28
Weakness classification (CWE)
References
- github.com/mmaitre314/picklescan/security/advisories/GHSA-4r9r-ch6f-vxmx (vendor-advisory)
- www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-torch-util… (third-party-advisory)
Frequently asked questions
- What is CVE-2025-71366?
- CVE-2025-71366 is a high-severity vulnerability in Picklescan, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2026-07-04.
- How severe is CVE-2025-71366?
- High severity. CVSS v3 base score is 8.1 out of 10.