Deserialization in Mmaitre314 Picklescan
CVE-2025-71378
picklescan before 0.0.30 fails to detect cProfile.runctx function calls in pickle file reduce methods, allowing attackers to execute arbitrary code. Malicious pickle files bypass picklescan detection and execute remote code when loaded via pickle.load().
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: 0.005 (39.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Mmaitre314 Picklescan
- Picklescan — versions 0, 0.0.30
Weakness classification (CWE)
References
- github.com/mmaitre314/picklescan/security/advisories/GHSA-9w88-8rmg-7g2p (Exploit, vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/picklescan-remote-code-execution-via-undetected-cp… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-71378?
- CVE-2025-71378 is a high-severity vulnerability in Mmaitre314 Picklescan, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2026-06-21.
- How severe is CVE-2025-71378?
- High severity. CVSS v3 base score is 8.1 out of 10.