# CVE-2026-15499: AstrBotDevs AstrBot improper authorization in Scheduled Task Handler

Source: https://junglewise.ai/threats/cve-2026-15499-astrbotdevs-astrbot-improper-authorization-in-scheduled-task  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-07-12. Updated: 2026-07-12  
License: CC BY 4.0 with a link back

CVE-2026-15499 · Severity: medium · CVSS 6.3 · Published 2026-07-12

AstrBot, a chatbot framework, contains a security flaw in how it manages scheduled tasks. In shared group chats, one user can view, modify, or delete tasks created by other users in that same group. Most significantly, if an attacker modifies a task created by an administrator, the bot may execute the attacker's instructions with administrative privileges when the task runs.

## Quick answers

**Is CVE-2026-15499 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-15499 being exploited in the wild.

**How severe is CVE-2026-15499?** Medium severity, with a CVSS score of 6.3, published 12 July 2026.

**Which products and versions are affected?** AstrBotDevs AstrBot <= 4.25.2.

**Is there a fix for CVE-2026-15499?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-15499 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-15499?** Check whether anything you run is named in the advisory. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

An improper authorization vulnerability exists in AstrBot's `FutureTaskTool.call` function within `astrbot/core/tools/cron_tools.py`. The application scopes task management (list, edit, delete) to the Unified Message Origin (UMO/session) rather than the individual task owner. A remote attacker sharing a group session can modify the `payload["note"]` of another user's task. Because the edit operation preserves the original creator's `sender_id`, the scheduler later derives the `cron_event.role` from the original owner. If the victim is an administrator, the attacker's modified task content will execute with 'admin' privileges. Public exploits have been released, and the vendor has not yet provided a patch.

## Affected products

- AstrBotDevs AstrBot <= 4.25.2

## Timeline

- 2026-06-01: disclosed: Initial researcher gist published
- 2026-07-12: advisory: NVD/VulDB advisory published

## References

- [https://gist.github.com/YLChen-007/2bab96d5bedef784f90c97009fff8a19](https://gist.github.com/YLChen-007/2bab96d5bedef784f90c97009fff8a19)
- [https://vuldb.com/cve/CVE-2026-15499](https://vuldb.com/cve/CVE-2026-15499)
- [https://vuldb.com/submit/844656](https://vuldb.com/submit/844656)
- [https://vuldb.com/vuln/377806](https://vuldb.com/vuln/377806)
- [https://vuldb.com/vuln/377806/cti](https://vuldb.com/vuln/377806/cti)