AstrBotDevs AstrBot up to 4.25.5 Subagent astr_agent_tool_exec.py _build_handoff_toolset authorization

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k1.85-

Summaryinfo

A vulnerability was found in AstrBotDevs AstrBot up to 4.25.5. It has been classified as critical. Affected by this issue is the function _build_handoff_toolset of the file AstrBot/astrbot/core/astr_agent_tool_exec.py of the component Subagent. This manipulation causes authorization. This vulnerability is registered as CVE-2026-17530. Remote exploitation of the attack is possible. Furthermore, an exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability has been found in AstrBotDevs AstrBot up to 4.25.5 and classified as critical. 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 with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-17530. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known.

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

Applying the patch d23011262e8e75e1ec41b0f1f0091493a022327e is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: d23011262e8e75e1ec41b0f1f0091493a022327e

Timelineinfo

07/27/2026 Advisory disclosed
07/27/2026 +0 days VulDB entry created
07/27/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 8781
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-17530 (🔒)
GCVE (CVE): GCVE-0-2026-17530
GCVE (VulDB): GCVE-100-383395
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/27/2026 10:51
Changes: 07/27/2026 10:51 (61)
Complete: 🔍
Submitter: Erichen-apple
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #862536: AstrBotDevs AstrBot [Needs Manual Input] (unreleased master branch after commit ae44b912) Incorrect Authorization (CWE-863) (by Erichen-apple)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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