CVE-2025-7453: Github.com/saltbo/zpan ZPan Uses Hard-Coded Password Vulnerability

LOW
Advisory Identifier: GHSA-2hfh-94w5-wxvf
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CVSS 3.7
CWE-259
Published
Advisory Summary

CVE-2025-7453 is a LOW (CVSS 3.7) zpan uses hard-coded password vulnerability (CWE-259: Use of Hard-coded Password) affecting Github.com/saltbo/zpan libraries in the Go ecosystem. The issue involves zpan uses hard-coded password. Remediation is available by upgrading affected packages to version 1.6.6.

CVE-2025-7453 at a Glance

CVE Identifier CVE-2025-7453
GHSA Identifier GHSA-2hfh-94w5-wxvf
Severity LOW
CVSS v3.1 Base Score 3.7
CWE Classification CWE-259: Use of Hard-coded Password
Affected Product Github.com/saltbo/zpan
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 3.7

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2025-7453

To remediate this vulnerability, upgrade all affected Github.com/saltbo/zpan dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/saltbo/zpan fixed: 1.6.6 
Upgrade github.com/saltbo/zpan to 1.6.6
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for github.com/saltbo/zpan

How to Check if You Are Affected

To determine whether your application is affected by CVE-2025-7453, inspect your project dependencies for Github.com/saltbo/zpan:

inspect dependencies for github.com/saltbo/zpan

Analyze the terminal output to locate any version of Github.com/saltbo/zpan in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.6.6), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-259: Use of Hard-coded Password, where the product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components. In Github.com/saltbo/zpan, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

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.

CVE-2025-7453 Affected Github.com/saltbo/zpan Versions

1 component(s)
Fixed Versions:
1.6.6
Product / Package Ecosystem Affected Versions Fixed Version
github.com/saltbo/zpan
golang/github.com/saltbo/zpan
Go
< 1.6.6
1.6.6

References

NVD — CVE-2025-7453 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-7453
Github.com/saltbo/zpan Source Repository REPOSITORY
https://github.com/saltbo/zpan/issues/219
Github.com/saltbo/zpan Source Repository REPOSITORY
https://github.com/saltbo/zpan/pull/410
Security Fix Commit FIX COMMIT
https://github.com/saltbo/zpan/commit/8662db8d4b06057631faf3deba4132e66705e947
Github.com/saltbo/zpan Source Repository REPOSITORY
https://github.com/saltbo/zpan
Github.com/saltbo/zpan Release RELEASE
https://github.com/saltbo/zpan/releases/tag/v1.6.6
vuldb.com/ WEB
https://vuldb.com/?ctiid.316097
vuldb.com/ WEB
https://vuldb.com/?id.316097
vuldb.com/ WEB
https://vuldb.com/?submit.608447

Frequently Asked Questions

What is CVE-2025-7453?
CVE-2025-7453 is a security vulnerability in Github.com/saltbo/zpan involving ZPan Uses Hard-Coded Password under CWE-259: Use of Hard-coded Password.
Which Github.com/saltbo/zpan versions are affected?
Affected versions include releases prior to 1.6.6 across affected packages: github.com/saltbo/zpan.
What version fixes CVE-2025-7453?
Upgrading to 1.6.6 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/saltbo/zpan affected?
Yes, github.com/saltbo/zpan is affected in releases prior to 1.6.6. Upgrade your dependency to 1.6.6 or later.
What is the CVSS score of CVE-2025-7453?
CVE-2025-7453 has a CVSS v3.1 base score of 3.7 (LOW) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2025-7453?
CVE-2025-7453 is classified under CWE-259: Use of Hard-coded Password (The product contains a hard-coded password, which it uses for its own inbound authentication or for outbound communication to external components.).
How can I check Go dependencies for CVE-2025-7453?
Run the dependency tree command: 'inspect dependencies for github.com/saltbo/zpan'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-2hfh-94w5-wxvf",
  "modified" : "2026-07-16T23:14:11Z",
  "published" : "2025-07-11T21:31:04Z",
  "aliases" : [ "CVE-2025-7453" ],
  "summary" : "ZPan Uses Hard-Coded Password",
  "details" : "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.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/saltbo/zpan"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.6.6"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-7453"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/saltbo/zpan/issues/219"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/saltbo/zpan/pull/410"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/saltbo/zpan/commit/8662db8d4b06057631faf3deba4132e66705e947"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/saltbo/zpan"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/saltbo/zpan/releases/tag/v1.6.6"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?ctiid.316097"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?id.316097"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?submit.608447"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-259" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-07-16T23:14:11Z",
    "nvd_published_at" : "2025-07-11T19:15:23Z"
  }
}