Deserialization in Picklescan
CVE-2025-71363
picklescan before 0.0.30 fails to detect cProfile.run function calls in pickle reduce methods, allowing attackers to execute arbitrary code. Remote attackers can craft malicious pickle files with cProfile.run payloads that bypass picklescan detection and achieve code execution upon deserialization.
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 (48.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 48.7% 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: 0.000
Affected products
- Picklescan — versions 0, 0.0.30
Weakness classification (CWE)
References
- github.com/mmaitre314/picklescan/security/advisories/GHSA-49gj-c84q-6qm9 (vendor-advisory)
- www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-undetected… (third-party-advisory)
Frequently asked questions
- What is CVE-2025-71363?
- CVE-2025-71363 is a high-severity vulnerability in Picklescan, classified under Deserialization of Untrusted Data. CVSS score: 8.1/10. Published 2026-06-30.
- How severe is CVE-2025-71363?
- High severity. CVSS v3 base score is 8.1 out of 10.