RCE in Astrbotdevs Astrbot

CVE-2026-16073

A security vulnerability has been detected in AstrBotDevs AstrBot up to 4.25.2. Affected by this issue is the function Star.text_to_image/NetworkRenderStrategy.render of the file astrbot/core/star/base.py of the component T2I Feature. The manipulation leads to cross site scripting. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (25.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-16073?
CVE-2026-16073 is a low-severity vulnerability in Astrbotdevs Astrbot, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-07-17.
How severe is CVE-2026-16073?
Low severity. CVSS v3 base score is 3.5 out of 10.