---
cve: "CVE-2026-30689"
severity: "MEDIUM"
cvss: 4.3
epss: "28%"
vendor: "anjoy8"
kev: false
exploited: false
published: "2026-03-27 00:00:00"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T08:53:29+02:00"
---

# CVE-2026-30689

> 4.3 MEDIUM · 🧪 PoC

## Beschreibung

In Blog.Core through bcb4d17, the getinfobytoken API interface contains improper access control that leads to sensitive data exposure. Unauthorized parties can obtain sensitive administrator account information via a valid token, threatening system security. NOTE: Blog.Admin is related front-end code that does not offer an API service.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Gering | warn |
| I Integrität | Keine | good |
| A Verfügbarkeit | Keine | good |

## Referenzen

- <https://gist.github.com/Sw3092567023/c420c6a5ee947d72aeab2b3e0ba92a40>
- <https://github.com/anjoy8/Blog.Core/blob/bcb4d17ccc71e206a0c2ff663faf4b399e19f687/Blog.Core.Api/Controllers/UserController.cs#L139-L140>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-30689) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_