CVE-2025-71370 picklescan - Remote Code Execution via torch.jit.unsupported_tensor_ops.execWrapper
Attackers can bypass picklescan detection to execute arbitrary code via malicious pickle files containing unsupported tensor operations.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2025-71370?
CVE-2025-71370 is a high-severity unsafe deserialization vulnerability in picklescan, published on 23 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
picklescan before 0.0.28 fails to detect malicious torch.jit.unsupported_tensor_ops.execWrapper function calls embedded in pickle files. Attackers can craft malicious pickle files that bypass picklescan detection and execute arbitrary code when loaded via pickle.load().
Weakness: CWE-502
Which versions are affected by CVE-2025-71370?
3 open source packages ship an affected version, including picklescan.
| Package | Affected | Fixed in |
|---|---|---|
picklescan PyPI | All versions | 0.0.28 |
picklescan PyPI | All versions | 0.0.28 |
picklescan PyPI | All versions | 0.0.28 |
How do I fix CVE-2025-71370?
Upgrade picklescan to 0.0.28 or later.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2025-71370 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-71370 exists.
Sources
Also known as GHSA-vr7h-p6mm-wpmh, PYSEC-2026-4136.