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CVE-2026-17530
AstrBotDevs AstrBot Subagent astr_agent_tool_exec.py _build_handoff_toolset authorization
Medium5.3EPSS 0.37%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.3 | 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 |
| VulDBCNA (assigner) | 3.1 | Medium6.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 3.0 | Medium6.3 | 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 |
| VulDBCNA (assigner) | 2.0 | Medium6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C |
| NVDNVD · Deferred | 4.0 | Low2.1 | 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 |
- EPSS (exploitation in 30 days)
- 0.37% · top 68% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
- affected 4.25.0
- affected 4.25.1
- affected 4.25.2
- affected 4.25.3
- affected 4.25.4
- affected 4.25.5
References (8)
- VDB-383395 | AstrBotDevs AstrBot Subagent astr_agent_tool_exec.py _build_handoff_toolset authorization (opens in a new tab)vdb-entrytechnical-description
- VDB-383395 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2026-17530 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #862536 | AstrBotDevs AstrBot [Needs Manual Input] (unreleased master branch after commit ae44b912) Incorrect Authorization (CWE-863) (opens in a new tab)third-party-advisory
- https://github.com/AstrBotDevs/AstrBot/issues/8781 (opens in a new tab)exploitissue-tracking
- https://github.com/AstrBotDevs/AstrBot/pull/8786 (opens in a new tab)issue-trackingpatch
- https://github.com/AstrBotDevs/AstrBot/commit/d23011262e8e75e1ec41b0f1f0091493a022327e (opens in a new tab)patch
- https://github.com/AstrBotDevs/AstrBot/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-17530)Record last updated .