picklescan before 0.0.22 only considers standard pickle file extensions in the scope for its vulnerability scan. An attacker could craft a malicious model that uses Pickle and include a malicious pickle file with a non-standard file extension. Because the malicious pickle file inclusion is not considered as part of the scope of picklescan, the file would pass security checks and appear to be safe, when it could instead prove to be problematic.
CVE-2025-1889
This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 82% 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
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 29.0%
- KEV
- Not listed
Published
March 3, 2025
Last Modified
December 29, 2025
Advisory Details (2)
Auto-updated Jun 8, 2026CVE-2025-1889 | Sonatype Security Advisory
https://www.sonatype.com/security-advisories/cve-2025-1889Picklescan fails to detect some unsafe globals · Advisory · mmaitre314/picklescan · GitHub
https://github.com/mmaitre314/picklescan/security/advisories/GHSA-655q-fx9r-782vAffected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| picklescan | 0.0.1 ... 0.0.9 (21 versions) | 0.0.22 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 42× 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.
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- 2026-05-30 10:16 UTCEG score recompute
- 2026-05-30 06:27 UTCOSV refresh
- 2026-05-29 13:44 UTCEPSS rescore
Frequently asked(5)
What is CVE-2025-1889?
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What is the CVSS score of CVE-2025-1889?
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Dependency Blast Radius
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