Vulnerability in Pyspur-dev Pyspur
CVE-2025-6518
A vulnerability was found in PySpur-Dev pyspur up to 0.1.18. It has been classified as critical. Affected is the function SingleLLMCallNode of the file backend/pyspur/nodes/llm/single_llm_call.py of the component Jinja2 Template Handler. T…
EPSS: 0.001 (18.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
Affected products
- Pyspur-dev Pyspur — versions 0.1.0, 0.1.1, 0.1.2
Weakness classification (CWE)
References
- VDB-313638 | PySpur-Dev pyspur Jinja2 Template single_llm_call.py SingleLLMCallNode special elements used in a template engine (technical-description, vdb-entry)
- VDB-313638 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #593612 | PySpur-Dev pyspur <=v0.1.18 Remote Code Execute (third-party-advisory)
- cna@vuldb.com (issue-tracking, exploit)
Frequently asked questions
- What is CVE-2025-6518?
- CVE-2025-6518 is a medium-severity vulnerability in Pyspur-dev Pyspur, classified under CWE-791. CVSS score: 6.3/10. Published 2025-06-23.
- How severe is CVE-2025-6518?
- Medium severity. CVSS v3 base score is 6.3 out of 10.