CVE-2026-16075

Medium

Description

A flaw has been found in AstrBotDevs AstrBot up to 4.25.5. This vulnerability affects the function OpenApiRoute.get_chat_sessions of the file astrbot/dashboard/routes/open_api.py of the component session-listing Endpoint. This manipulation of the argument Username causes authorization bypass. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

SeverityMedium

CVSS4.3

Exploit probability—

ProductAstrbot

PublishedJul 18, 2026

First seenJul 18, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key CWE-285CWE-285

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
astrbot astrbot	4.25.0, 4.25.1, 4.25.2, 4.25.3, 4.25.4, 4.25.5	—

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