Boltz 2.0.0 contains an insecure deserialization vulnerability in its molecule loading…
Priority LOW 38CWE-502Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00174 6th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | boltz (PyPI) | up to 2.0.0 | — | No fix listed | GHSA-fjm6-8xp2-4fwc |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- boltz (PyPI) Vendor— Affected up to 2.0.0 Fixed in — No fix listed GHSA-fjm6-8xp2-4fwc
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-70560
- 2026-10-03 Alias added: GHSA-fjm6-8xp2-4fwc
References
Sources
- CVE-2025-70560 · CVE Program
- CVE-2025-70560 · NVD
- FIRST EPSS
- GHSA-fjm6-8xp2-4fwc · GitHub Advisory Database · CC BY 4.0
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