Unintended dynamic code execution leads to remote code execution by network attackers
Priority HIGH 82CWE-94Published · Updated
Key facts
- Attack vector
- Network
- 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 · CNA. Fix status from CNA and GitHub. Impact type from CWE-94.
Summary
User-controlled input flows to an unsafe implementation of a dynamic Function constructor, allowing network attackers to run arbitrary unsandboxed JS code in the context of the host, by sending a simple POST request.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.23793 97th 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
- Yes
- 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 |
|---|---|---|---|---|---|
| — | flowise | all versions | — | No fix listed | CNA |
| — | flowise (npm) | up to 2.2.7-patch.1 | — | No fix listed | GHSA-hmgh-466j-fx4c |
- flowise Vendor— Affected all versions Fixed in — No fix listed CNA
- flowise (npm) Vendor— Affected up to 2.2.7-patch.1 Fixed in — No fix listed GHSA-hmgh-466j-fx4c
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-55346
- 2026-10-03 Alias added: GHSA-hmgh-466j-fx4c
References
Advisory 2
Sources
- CVE-2025-55346 · CVE Program
- CVE-2025-55346 · NVD
- FIRST EPSS
- GHSA-hmgh-466j-fx4c · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences