HIGH8.4

PYSEC-2026-1224

Boltz contains an insecure deserialization vulnerability in its molecule loading functionality

Details

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.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/boltz

Introduced in: 0

No fixed version published yet for boltz (pip). Pin to a known-safe version or switch to an alternative.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-70560[ADVISORY]
https://github.com/jwohlwend/boltz/issues/600[WEB]
https://github.com/jwohlwend/boltz[PACKAGE]
https://github.com/jwohlwend/boltz/blob/cb04aeccdd480fd4db707f0bbafde538397fa2ac/src/boltz/data/mol.py#L80[WEB]
https://pypi.org/project/boltz[PACKAGE]
https://github.com/advisories/GHSA-fjm6-8xp2-4fwc[ADVISORY]