picklescan before 0.0.23 is vulnerable to a ZIP archive manipulation attack that causes it to crash when attempting to extract and scan PyTorch model archives. By modifying the filename in the ZIP header while keeping the original filename in the directory listing, an attacker can make PickleScan raise a BadZipFile error. However, PyTorch's more forgiving ZIP implementation still allows the model to be loaded, enabling malicious payloads to bypass detection.
CVE-2025-1944
This medium-severity CVE scores 6.5 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 66% 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).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EG Risk
- —
- EPSS
- 22.9%
- KEV
- Not listed
Published
March 10, 2025
Last Modified
December 29, 2025
References (3)
- 103e4ec9-0a87-450b-af77-479448ddef11https://github.com/mmaitre314/picklescan/commit/e58e45e0d9e091159c1554f9b04828bbb40b9781
- 103e4ec9-0a87-450b-af77-479448ddef11https://github.com/mmaitre314/picklescan/security/advisories/GHSA-7q5r-7gvp-wc82
- 103e4ec9-0a87-450b-af77-479448ddef11https://www.sonatype.com/security-advisories/cve-2025-1944
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| picklescan | 0.0.1 ... 0.0.9 (22 versions) | 0.0.23 | — |
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.
- 2026-07-22 14:07 UTCEPSS rescore
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- 2026-07-07 08:21 UTCOSV refresh
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- 2026-06-18 19:13 UTCOSV refresh
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- 2026-05-30 09:53 UTCEG score recompute
- 2026-05-30 09:40 UTCOSV refresh
- 2026-05-29 13:44 UTCEPSS rescore
Frequently asked(5)
What is CVE-2025-1944?
When was CVE-2025-1944 disclosed?
Is CVE-2025-1944 actively exploited?
What is the CVSS score of CVE-2025-1944?
How do I remediate CVE-2025-1944?
Dependency Blast Radius
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