picklescan before 0.0.33 fails to detect malicious pickle files that invoke numpy.f2py.crackfortran.myeval function through the reduce method. Attackers can craft malicious pickle files embedding arbitrary code that evades picklescan detection and executes remote code when loaded.
CVE-2025-71365
Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-23. a secondary CVSS source baseline 8.1; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 8.1
- EG Score
- 8.1(high)
- EG Risk
- 52(Track*)EG Risk 52/100SSVC: Track*
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity81% × 45%Exploitation40% × 40%Automatability0% × 15%Action: Watch closely — could escalate to Attend. - EPSS
- 22.2%
- KEV
- Not listed
Published
June 23, 2026
Last Modified
June 23, 2026
Advisory Details (2)
Auto-updated Jun 23, 2026picklescan - Arbitrary Code Execution via numpy.f2py.crackfortran.myeval Detection Bypass | Advisories | VulnCheck
https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-numpy-f2py-crackfortran-myeval-detection-bypassMissing detection when calling numpy function numpy.f2py.crackfortran.myeval · Advisory · mmaitre314/picklescan · GitHub
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-3329-ghmp-jmv5Vendor Advisories for CVE-2025-71365(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| picklescan | 0.0.1 ... 0.0.9 (32 versions) | 0.0.33 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 14× in last 7d / 91× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 03:03 UTCEG score recompute
- 2026-07-22 14:08 UTCEPSS rescore
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- 2026-07-17 06:36 UTCGHSA enrichment
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- 2026-07-13 00:54 UTCGHSA enrichment
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- 2026-06-29 14:06 UTCEPSS rescore
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- 2026-06-26 16:16 UTCGHSA enrichment
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- 2026-06-25 13:49 UTCEPSS rescore
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- 2026-06-25 02:29 UTCGHSA enrichment
- 2026-06-24 14:05 UTCEPSS rescore
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- 2026-06-24 13:53 UTCGHSA enrichment
- 2026-06-24 01:17 UTCGHSA enrichment
- 2026-06-23 12:42 UTCEG score recompute
- 2026-06-23 12:40 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Same CWE
10 shownCWE-502
- CVE-2017-20208EG 9.8CRITICAL
- CVE-2017-20207EG 9.8CRITICAL
- CVE-2017-20206EG 9.8CRITICAL
- CVE-2017-20189EG 9.8CRITICAL
- CVE-2017-10992EG 9.8EPSS 95%CRITICAL
- CVE-2013-4521EG 9.8EPSS 90%CRITICAL
- CVE-2014-1860EG 9.8CRITICAL
- CVE-2016-1000027EG 9.8EPSS 98%CRITICAL
- CVE-2014-3699EG 9.8CRITICAL
- CVE-2017-18605EG 9.8CRITICAL
Frequently asked(5)
What is CVE-2025-71365?
When was CVE-2025-71365 disclosed?
Is CVE-2025-71365 actively exploited?
What is the CVSS score of CVE-2025-71365?
How do I remediate CVE-2025-71365?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-71365
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