TI-2025-01689 Aliases CVE-2025-1944 GHSA-7q5r-7gvp-wc82

picklescan ZIP archive manipulation attack leads to crash

MEDIUM 63CWE-345Published 2025-03-10 · Updated 2025-12-29

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: None · Low · Low
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-345.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.0033 26th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed picklescan (mmaitre314): 0.0.23picklescan (PyPI): 0.0.23

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
picklescan	picklescan	0.0.1 to before 0.0.23	0.0.23	Patch available	CNA
—	picklescan (PyPI)	before 0.0.23	0.0.23	Patch available	GHSA-7q5r-7gvp-wc82

picklescan Vendorpicklescan Affected 0.0.1 to before 0.0.23 Fixed in 0.0.23 Patch available CNA
picklescan (PyPI) Vendor— Affected before 0.0.23 Fixed in 0.0.23 Patch available GHSA-7q5r-7gvp-wc82

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mmaitre314:picklescan::::::::	before 0.0.23	Vulnerable	picklescan

cpe:2.3:a:mmaitre314:picklescan:*:*:*:*:*:*:*:* Versions before 0.0.23 Vulnerable ·picklescan

Remediation

Fix · CNA picklescan (mmaitre314) Fixed in 0.0.23
Fix · GHSA-7q5r-7gvp-wc82 picklescan (PyPI) Fixed in 0.0.23 Advisory →

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2025-03-10
mmaitre314 picklescan 0.0.23
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2025-01690 picklescan - Zip Flag Bit Exploit Crashes Picklescan But Not PyTorchPriority MEDIUM 63
Show all 2 records →

Timeline

2026-10-02 Threatist record created from CVE-2025-1944
2026-10-03 Alias added: GHSA-7q5r-7gvp-wc82

References

Exploit 1

https://github.com/mmaitre314/picklescan/security/advisories/GHSA-7q5r-7gvp-wc82

Patch 1

https://github.com/mmaitre314/picklescan/commit/e58e45e0d9e091159c1554f9b04828bbb40b9781

Advisory 2

Other 3

TI-2025-09324 PickleScan Bypasses Unsafe Globals Check Using Submodule Imports CVSS 4.0CRITICAL 9.3
TI-2025-09323 PickleScan Security Bypass via Bad CRC in ZIP Archive CVSS 4.0CRITICAL 9.3
TI-2025-09322 PickleScan Security Bypass Using Misleading File Extension CVSS 4.0CRITICAL 9.3
TI-2026-40669 picklescan - Arbitrary File Creation via logging.FileHandler Deserialization CVSS 4.0MEDIUM 6.9
TI-2025-43498 picklescan - Remote Code Execution via Undetected cProfile.runctx in Pickle Files CVSS 4.0HIGH 7.6
TI-2025-43477 picklescan - Arbitrary Code Execution via Undetected idlelib.pyshell.ModifiedInterpreter.runcommand CVSS 4.0HIGH 7.6

See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences