In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution of…
Priority HIGH 72CWE-120Published · 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-120 and the CVSS impact.
Summary
In JazzCore python-pdfkit 1.0.0, the from_string method enables the execution of JavaScript code within the context of the server application and the exfiltration of local files.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00392 33rd 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
- Poc
- 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 |
| — | pdfkit (PyPI) | up to 1.0.0 | — | No fix listed | GHSA-9g3x-6x24-vf9f |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- pdfkit (PyPI) Vendor— Affected up to 1.0.0 Fixed in — No fix listed GHSA-9g3x-6x24-vf9f
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-26240
- 2026-10-03 Alias added: GHSA-9g3x-6x24-vf9f
References
Sources
- CVE-2025-26240 · CVE Program
- CVE-2025-26240 · NVD
- FIRST EPSS
- GHSA-9g3x-6x24-vf9f · GitHub Advisory Database · CC BY 4.0
- CVE-2025-26240 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences