Authentication Bypass by Primary Weakness in github.com/kongchuanhujiao/server
Priority MEDIUM 45CWE-305Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-287.
Summary
In github.com/kongchuanhujiao/server before version 1.3.21 there is an authentication Bypass by Primary Weakness vulnerability. All users are impacted. This is fixed in version 1.3.21.
Why it matters now
EPSS 0.01359 71st percentileScored 2026-11-07
Fix Fixed server (kongchuanhujiao): 1.3.21github.com/kongchuanhujiao/server (Go): 1.3.21
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| kongchuanhujiao | server | before 1.3.21 | 1.3.21 | Patch available | CNA |
| — | github.com/kongchuanhujiao/server (Go) | before 1.3.21 | 1.3.21 | Patch available | GHSA-8wrg-m8vm-5fvj |
- server Vendorkongchuanhujiao Affected before 1.3.21 Fixed in 1.3.21 Patch available CNA
- github.com/kongchuanhujiao/server (Go) Vendor— Affected before 1.3.21 Fixed in 1.3.21 Patch available GHSA-8wrg-m8vm-5fvj
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kongchuanhujiao_project:kongchuanhujiao:*:*:*:*:*:*:*:* | before 1.3.21 | Vulnerable | Kongchuanhujiao Project |
- cpe:2.3:a:kongchuanhujiao_project:kongchuanhujiao:*:*:*:*:*:*:*:* Versions before 1.3.21 Vulnerable ·Kongchuanhujiao Project
Remediation
- Fix · CNA server (kongchuanhujiao) Fixed in 1.3.21
- Fix · GHSA-8wrg-m8vm-5fvj github.com/kongchuanhujiao/server (Go) Fixed in 1.3.21 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-21403
- 2026-10-03 Alias added: GHSA-8wrg-m8vm-5fvj
References
Sources
- CVE-2021-21403 · CVE Program
- CVE-2021-21403 · NVD
- FIRST EPSS
- GHSA-8wrg-m8vm-5fvj · GitHub Advisory Database · CC BY 4.0
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