CVE-2025-71347

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-04. a secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.1Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

picklescan before 0.0.33 fails to detect malicious pickle files using numpy.f2py.crackfortran.param_eval function in reduce methods, allowing attackers to bypass security checks. Remote attackers can embed undetected code in pickle files that executes during deserialization, enabling arbitrary code execution in applications loading untrusted pickle data.

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 computed
Severity81% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
36.3%
KEV
Not listed

Published

July 4, 2026

Last Modified

July 6, 2026

Advisory Details (2)

Auto-updated Jul 4, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

picklescan - Undetected Remote Code Execution via numpy.f2py.crackfortran.param_eval | Advisories | VulnCheck

https://www.vulncheck.com/advisories/picklescan-undetected-remote-code-execution-via-numpy-f2py-crackfortran-param-eval
github Patch Available🟡 PoC Available

Missing detection when calling numpy function numpy.f2py.crackfortran.param_eval · Advisory · mmaitre314/picklescan · GitHub

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-cffc-mxrf-mhh4

Vendor Advisories for CVE-2025-71347(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)
PackageVulnerable rangeFixed inDependents
picklescan0.0.1 ... 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 / 54× 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.

  1. 2026-07-23 03:03 UTCEG score recompute
  2. 2026-07-22 14:08 UTCEPSS rescore
  3. 2026-07-21 15:24 UTCEPSS rescore
  4. 2026-07-20 17:08 UTCEPSS rescore
  5. 2026-07-19 14:30 UTCEPSS rescore
  6. 2026-07-19 14:30 UTCEPSS rescore
  7. 2026-07-19 02:28 UTCEPSS rescore
  8. 2026-07-19 02:28 UTCEPSS rescore
  9. 2026-07-18 10:04 UTCEPSS rescore
  10. 2026-07-18 10:04 UTCEPSS rescore
  11. 2026-07-17 06:32 UTCGHSA enrichment
  12. 2026-07-16 17:21 UTCGHSA enrichment
  13. 2026-07-16 17:02 UTCEPSS rescore
  14. 2026-07-16 17:02 UTCEPSS rescore
  15. 2026-07-16 04:06 UTCGHSA enrichment
  16. 2026-07-15 16:57 UTCEPSS rescore
  17. 2026-07-15 16:57 UTCEPSS rescore
  18. 2026-07-15 14:55 UTCGHSA enrichment
  19. 2026-07-15 02:00 UTCEPSS rescore
  20. 2026-07-15 01:59 UTCEPSS rescore
  21. 2026-07-15 01:44 UTCGHSA enrichment
  22. 2026-07-14 12:33 UTCGHSA enrichment
  23. 2026-07-13 23:23 UTCGHSA enrichment
  24. 2026-07-13 10:12 UTCGHSA enrichment
  25. 2026-07-13 06:12 UTCEPSS rescore
Show 29 more
  1. 2026-07-12 21:02 UTCGHSA enrichment
  2. 2026-07-12 07:47 UTCGHSA enrichment
  3. 2026-07-12 05:46 UTCEPSS rescore
  4. 2026-07-12 05:46 UTCEPSS rescore
  5. 2026-07-11 18:36 UTCGHSA enrichment
  6. 2026-07-11 08:27 UTCEPSS rescore
  7. 2026-07-11 08:27 UTCEPSS rescore
  8. 2026-07-11 05:25 UTCGHSA enrichment
  9. 2026-07-10 16:15 UTCGHSA enrichment
  10. 2026-07-10 02:52 UTCGHSA enrichment
  11. 2026-07-09 19:10 UTCEPSS rescore
  12. 2026-07-09 13:41 UTCGHSA enrichment
  13. 2026-07-09 00:31 UTCGHSA enrichment
  14. 2026-07-08 15:15 UTCEPSS rescore
  15. 2026-07-08 11:18 UTCGHSA enrichment
  16. 2026-07-07 22:07 UTCGHSA enrichment
  17. 2026-07-07 13:46 UTCEPSS rescore
  18. 2026-07-07 08:56 UTCGHSA enrichment
  19. 2026-07-06 19:42 UTCGHSA enrichment
  20. 2026-07-06 16:27 UTCEPSS rescore
  21. 2026-07-06 06:28 UTCGHSA enrichment
  22. 2026-07-06 02:23 UTCEPSS rescore
  23. 2026-07-05 17:17 UTCGHSA enrichment
  24. 2026-07-05 04:05 UTCGHSA enrichment
  25. 2026-07-05 02:30 UTCEPSS rescore
  26. 2026-07-05 02:30 UTCEPSS rescore
  27. 2026-07-04 14:53 UTCGHSA enrichment
  28. 2026-07-04 01:42 UTCEG score recompute
  29. 2026-07-04 01:41 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2025-71347?
CVE-2025-71347 is a high vulnerability published on July 4, 2026. picklescan before 0.0.33 fails to detect malicious pickle files using numpy.f2py.crackfortran.param_eval function in reduce methods, allowing attackers to bypass security checks. Remote attackers can embed undetected code in pickle files that executes during deserialization, enabling arbitrary code…
When was CVE-2025-71347 disclosed?
CVE-2025-71347 was first published in the National Vulnerability Database on July 4, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-71347 actively exploited?
CVE-2025-71347 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-71347?
CVE-2025-71347 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2025-71347?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-71347, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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