CVE-2025-70560

CVE-2025-70560 is a high-severity vulnerability in Jwohlwend Boltz with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

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.

Frequently asked questions

What is CVE-2025-70560?
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.
How severe is CVE-2025-70560?
CVE-2025-70560 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-70560 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-70560?
CVE-2025-70560 affects Jwohlwend Boltz. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-70560?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-70560 have an EU (EUVD) identifier?
Yes. CVE-2025-70560 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-206702.
When was CVE-2025-70560 published?
CVE-2025-70560 was published on 2026-02-03 and last updated on 2026-06-17.

References

Affected products (1)

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