AstrBotDevs AstrBot Subagent astr_agent_tool_exec.py _build_handoff_toolset authorization

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-17530
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-27 16:17:04 UTC
Updated2026-07-27 20:25:13 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 2.1 LOW from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-285 | CWE-863 | CWE-863 Incorrect Authorization | CWE-285 Improper Authorization

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2.1LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED6.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.0CNADECLARED6.3MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary6.5AV:N/AC:L/Au:S/C:P/I:P/A:P
2.0CNADECLARED6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA AstrBotDevs AstrBot affected 4.25.0 Not specified
CNA AstrBotDevs AstrBot affected 4.25.1 Not specified
CNA AstrBotDevs AstrBot affected 4.25.2 Not specified
CNA AstrBotDevs AstrBot affected 4.25.3 Not specified
CNA AstrBotDevs AstrBot affected 4.25.4 Not specified
CNA AstrBotDevs AstrBot affected 4.25.5 Not specified

References

ReferenceSourceLinkTags
github.com/AstrBotDevs/AstrBot/issues/8781 [email protected] github.com
github.com/AstrBotDevs/AstrBot/commit/d23011262e8e75e1ec41b0f1f0091493a0... [email protected] github.com
vuldb.com/submit/862536 [email protected] vuldb.com
github.com/AstrBotDevs/AstrBot [email protected] github.com
vuldb.com/cve/CVE-2026-17530 [email protected] vuldb.com
vuldb.com/vuln/383395/cti [email protected] vuldb.com
vuldb.com/vuln/383395 [email protected] vuldb.com
github.com/AstrBotDevs/AstrBot/pull/8786 [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Erichen-apple (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-07-27T00:00:00.000ZAdvisory disclosed
CNA2026-07-27T02:00:00.000ZVulDB entry created
CNA2026-07-27T10:51:09.000ZVulDB entry last update

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