---
cve: "CVE-2026-16076"
severity: "MEDIUM"
cvss: 5.3
epss: "29%"
vendor: "AstrBotDevs"
kev: false
exploited: false
published: "2026-07-18 06:16:35"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T22:34:30+02:00"
---

# CVE-2026-16076

> 5.3 MEDIUM · 🧪 PoC

## Beschreibung

A vulnerability has been found in AstrBotDevs AstrBot up to 4.25.5. This issue affects the function OpenApiRoute.chat_send of the file astrbot/dashboard/routes/open_api.py of the component API. Such manipulation of the argument Username leads to authentication bypass by spoofing. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://vuldb.com/vuln/379791>
- <https://vuldb.com/vuln/379791/cti>
- <https://vuldb.com/cve/CVE-2026-16076>
- <https://vuldb.com/submit/852864>
- <https://gist.github.com/YLChen-007/080ba55a71588dbbba3f27afed4c072c>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-16076) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_