Vulnerability · Published Jul 11, 2025 · Assigned by VulDB
CVE-2025-7453saltbo zpan JSON Web Token token.go NewToken hard-coded password
Low 3.7
In plain English
A low-severity security flaw in zpan from saltbo. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Go | github.com/saltbo/zpan | 1.6.6 | GHSA-2hfh-94w5-wxvf |
| Go | github.com/saltbo/zpan | 1.6.6 | GO-2026-6014 |
Affected products (as reported)
Weakness: CWE-259, CWE-255 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
References
- VDB-316097 | saltbo zpan JSON Web Token token.go NewToken hard-coded password vdb-entry, technical-description
- VDB-316097 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #608447 | Saltbo zpan 1.6.5 Hard-coded Credentials third-party-advisory
- https://github.com/saltbo/zpan/issues/219 exploit, issue-tracking