CVE-2026-16076

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 v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

No configuration.

History

24 Oct 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) Una vulnerabilidad ha sido encontrada en AstrBotDevs AstrBot hasta la versión 4.25.5. Este problema afecta a la función OpenApiRoute.chat_send del archivo astrbot/dashboard/routes/open_api.py del componente API. Dicha manipulación del argumento Username conduce a una omisión de autenticación mediante suplantación. Es posible lanzar el ataque de forma remota. El exploit ha sido divulgado al público y puede ser utilizado. Se contactó al proveedor con antelación sobre esta divulgación pero no respondió de ninguna manera.

Information

Published : 2026-07-18 06:16

Updated : 2026-10-24 20:10

NVD link : CVE-2026-16076

Mitre link : CVE-2026-16076

CVE.ORG link : CVE-2026-16076

JSON object : View

Products Affected

No product.

CWE

CWE-287

Improper Authentication

CWE-290

Authentication Bypass by Spoofing

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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."}, {"lang": "es", "value": "Una vulnerabilidad ha sido encontrada en AstrBotDevs AstrBot hasta la versi\u00f3n 4.25.5. Este problema afecta a la funci\u00f3n OpenApiRoute.chat_send del archivo astrbot/dashboard/routes/open_api.py del componente API. Dicha manipulaci\u00f3n del argumento Username conduce a una omisi\u00f3n de autenticaci\u00f3n mediante suplantaci\u00f3n. Es posible lanzar el ataque de forma remota. El exploit ha sido divulgado al p\u00fablico y puede ser utilizado. Se contact\u00f3 al proveedor con antelaci\u00f3n sobre esta divulgaci\u00f3n pero no respondi\u00f3 de ninguna manera."}], "lastModified": "2026-10-24T20:10:00.137", "sourceIdentifier": "cna@vuldb.com"}