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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.003 (25.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Astrbotdevs Astrbot — versions 4.25.0, 4.25.1, 4.25.2
Weakness classification (CWE)
References
- vuldb.com/vuln/379788 (technical-description, vdb-entry)
- vuldb.com/vuln/379788/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-16073 (third-party-advisory)
- vuldb.com/submit/852825 (third-party-advisory)
- gist.github.com/YLChen-007/2abcecece4369c46cc8405e597c0528b (exploit)
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.