CVE-2025-70560

Severity: high (CVSS 8.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-03 · updated 2026-06-17
Weakness: CWE-502

Description

Boltz 2.0.0 contains an insecure deserialization vulnerability in its molecule loading functionality. The application uses Python pickle to deserialize molecule data files without validation. An attacker with the ability to place a malicious pickle file in a directory processed by boltz can achieve arbitrary code execution when the file is loaded.

Affected products

Jwohlwend Boltz: 2.0.0

References

https://github.com/advisories/GHSA-fjm6-8xp2-4fwc
https://github.com/jwohlwend/boltz/blob/cb04aeccdd480fd4db707f0bbafde538397fa2ac/src/boltz/data/mol.py#L80
https://github.com/jwohlwend/boltz/issues/600

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