PT-2026-60921 · Astrbotdevs · Astrbot

Eric-D · CVE-2026-16076 · Published 2026-07-18 · Updated 2026-07-18

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions AstrBotDevs AstrBot versions prior to 4.25.6

Description An authentication bypass exists in the API component due to username spoofing. A remote attacker can manipulate the Username argument within the OpenApiRoute.chat send() function located in the astrbot/dashboard/routes/open api.py file to bypass authentication mechanisms.

Recommendations Update AstrBotDevs AstrBot to version 4.25.6 or later. As a temporary mitigation, restrict access to the OpenApiRoute.chat send() function.

Exploit

Fix

Authentication Bypass by Spoofing

Improper Authentication

Weakness Enumeration

CWE-290

CWE-287

Related Identifiers

CVE-2026-16076

Affected Products

Astrbot

References · 7

• 🔥 https://gist.github.com/YLChen-007/080ba55a71588dbbba3f27afed4c072c · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-16076 · Security Note
• https://vuldb.com/vuln/379791 · Note
• https://twitter.com/VulmonFeeds/status/2078369308581802355 · Twitter Post
• https://vuldb.com/submit/852864 · Note
• https://vuldb.com/cve/CVE-2026-16076 · Note
• https://vuldb.com/vuln/379791/cti · Note