Picklescan before 0.0.25 fails to detect unsafe global functions in the Numpy library, allowing attackers to bypass static analysis and execute arbitrary code during deserialization. Attackers can craft malicious pickle files using numpy.testing._private.utils.runstring within the reduce method to import dangerous libraries like os and execute arbitrary OS commands when the pickle file is loaded.
CVE-2025-71355
This high-severity CVE scores 7.6 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.6%, top 58% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- 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
- 7.6
- EG Score
- 7.6(medium)
- EPSS
- 42.1%
- KEV
- Not listed
Published
June 30, 2026
Last Modified
July 1, 2026
Advisory Details (2)
Auto-updated Jul 1, 2026Picklescan - Arbitrary Code Execution via Unsafe Numpy Function Detection Bypass | Advisories | VulnCheck
https://www.vulncheck.com/advisories/picklescan-arbitrary-code-execution-via-unsafe-numpy-function-detection-bypassPicklescan failed to detect to some unsafe global function in Numpy library · Advisory · mmaitre314/picklescan · GitHub
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-fj43-3qmq-673fVendor Advisories for CVE-2025-71355(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 33× in last 7d / 33× 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.
- 2026-07-07 04:17 UTCEG score recompute
- 2026-07-07 04:17 UTCGHSA enrichment
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 15:53 UTCEG score recompute
- 2026-07-06 15:53 UTCGHSA enrichment
- 2026-07-06 03:30 UTCEG score recompute
- 2026-07-06 03:30 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 14:59 UTCEG score recompute
- 2026-07-05 14:59 UTCGHSA enrichment
- 2026-07-05 02:36 UTCEG score recompute
- 2026-07-05 02:35 UTCGHSA enrichment
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 14:12 UTCEG score recompute
- 2026-07-04 14:12 UTCGHSA enrichment
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 06:31 UTCEPSS rescore
- 2026-07-04 01:49 UTCEG score recompute
- 2026-07-04 01:48 UTCGHSA enrichment
- 2026-07-03 13:25 UTCEG score recompute
- 2026-07-03 13:25 UTCGHSA enrichment
- 2026-07-03 01:02 UTCEG score recompute
- 2026-07-03 01:02 UTCGHSA enrichment
- 2026-07-02 12:38 UTCEG score recompute
Show 8 moreShow fewer
- 2026-07-02 12:38 UTCGHSA enrichment
- 2026-07-02 00:09 UTCEG score recompute
- 2026-07-02 00:09 UTCGHSA enrichment
- 2026-07-01 15:06 UTCEPSS rescore
- 2026-07-01 11:47 UTCEG score recompute
- 2026-07-01 11:47 UTCGHSA enrichment
- 2026-06-30 23:24 UTCEG score recompute
- 2026-06-30 23:23 UTCNVD updatefirst tracked
Frequently asked(5)
What is CVE-2025-71355?
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Is CVE-2025-71355 actively exploited?
What is the CVSS score of CVE-2025-71355?
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