Vulnerability · Published Jul 4, 2026 · Assigned by VulnCheck

CVE-2025-71369picklescan - Unsafe Deserialization via torch.utils.data.datapipes.utils.decoder.basichandlers

High 8.1

In plain English

A high-severity unsafe deserialization in picklescan from picklescan. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)0.6%top 52.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

picklescan before 0.0.28 fails to detect malicious pickle files that use torch.utils.data.datapipes.utils.decoder.basichandlers in reduce methods, allowing attackers to bypass safety checks. Remote attackers can embed undetected malicious code in pickle files that executes during deserialization, enabling remote code execution.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	picklescan	0.0.28	GHSA-h3qp-7fh3-f8h4

Affected products (as reported)

Vendor	Product	Versions
picklescan	picklescan	0 – before 0.0.28

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

References

GitHub Security Advisory (GHSA-h3qp-7fh3-f8h4) vendor-advisory
VulnCheck Advisory: picklescan - Unsafe Deserialization via torch.utils.data.datapipes.utils.decoder.basichandlers third-party-advisory