saltbo zpan JSON Web Token token.go NewToken hard-coded password
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-259.
Summary
A vulnerability was found in saltbo zpan up to 1.6.5/1.7.0-beta2. It has been rated as problematic. This issue affects the function NewToken of the file zpan/internal/app/service/token.go of the component JSON Web Token Handler. The manipulation with the input 123 leads to use of hard-coded password. The attack may be initiated remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
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 |
|---|---|---|---|---|---|
| saltbo | zpan | 1.6.0; 1.6.1; 1.6.2; 1.6.3; 1.6.4; 1.6.5; 1.7.0-beta1; 1.7.0-beta2 | — | No fix listed | CNA |
| — | github.com/saltbo/zpan (Go) | before 1.6.6 | 1.6.6 | Patch available | GHSA-2hfh-94w5-wxvf |
- zpan Vendorsaltbo Affected 1.6.0; 1.6.1; 1.6.2; 1.6.3; 1.6.4; 1.6.5; 1.7.0-beta1; 1.7.0-beta2 Fixed in — No fix listed CNA
- github.com/saltbo/zpan (Go) Vendor— Affected before 1.6.6 Fixed in 1.6.6 Patch available GHSA-2hfh-94w5-wxvf
Remediation
- Fix · GHSA-2hfh-94w5-wxvf github.com/saltbo/zpan (Go) Fixed in 1.6.6 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2025-7453
- 2026-10-03 Alias added: GHSA-2hfh-94w5-wxvf
References
Sources
- CVE-2025-7453 · CVE Program
- CVE-2025-7453 · NVD
- FIRST EPSS
- GHSA-2hfh-94w5-wxvf · 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