Auth bypass in Astrbotdevs Astrbot
CVE-2026-15499
A security flaw has been discovered in AstrBotDevs AstrBot up to 4.25.2. Affected is the function FutureTaskTool.call of the file astrbot/core/tools/cron_tools.py of the component Scheduled Task Handler. Performing a manipulation of the argument payload["note"] results in improper authorization. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.003 (26.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.4% 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/377806 (technical-description, vdb-entry)
- vuldb.com/vuln/377806/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-15499 (third-party-advisory)
- vuldb.com/submit/844656 (third-party-advisory)
- gist.github.com/YLChen-007/2bab96d5bedef784f90c97009fff8a19 (exploit)
Frequently asked questions
- What is CVE-2026-15499?
- CVE-2026-15499 is a medium-severity vulnerability in Astrbotdevs Astrbot, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-07-12.
- How severe is CVE-2026-15499?
- Medium severity. CVSS v3 base score is 6.3 out of 10.