CVE-2026-17530 AstrBotDevs AstrBot Subagent astr_agent_tool_exec.py _build_handoff_toolset authorization
Remote attackers can bypass authorization in AstrBot's subagent toolset, potentially leading to privilege escalation or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-17530?
CVE-2026-17530 is a medium-severity missing authorization vulnerability in AstrBotDevs AstrBot, published on 27 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered in AstrBotDevs AstrBot up to 4.25.5. Affected by this vulnerability is the function _build_handoff_toolset of the file AstrBot/astrbot/core/astr_agent_tool_exec.py of the component Subagent. The manipulation results in incorrect authorization. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The patch is identified as d23011262e8e75e1ec41b0f1f0091493a022327e. A patch should be applied to remediate this issue.
Which versions are affected by CVE-2026-17530?
How do I fix CVE-2026-17530?
No fix has been published for CVE-2026-17530 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-17530 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-17530 exists.
Sources
Also known as GHSA-3397-vr69-3m3w.