AstrBotDevs AstrBot Subagent astr_agent_tool_exec.py _build_handoff_toolset authorization
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-17530
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 5 Nov 2026, 06:08 UTC · Revision 1
Source evidence
AstrBotDevs AstrBot Subagent astr_agent_tool_exec.py _build_handoff_toolset authorization
core-osv · Original sourcePublished 27 Jul 2026, 15:45 UTC
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.
osv:CVE-2026-17530
Complete source record
{
"id": "e2597a84233a2f33ffcc0bd34fe1421ba7a9e6a3b7c9021b33308d5f660a23d0",
"url": "https://osv.dev/vulnerability/CVE-2026-17530",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "AstrBotDevs AstrBot Subagent astr_agent_tool_exec.py _build_handoff_toolset authorization",
"summary": "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.",
"evidence": "osv:CVE-2026-17530",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2026-17530",
"aliases": [
"CVE-2026-17530"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/astrbotdevs/astrbot",
"type": "GIT",
"events": [
{
"introduced": "02291a3217c92faa0c577bf9d89076949c40954c"
},
{
"fixed": "d23011262e8e75e1ec41b0f1f0091493a022327e"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "4.25.0"
},
{
"last_affected": "4.25.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "4.25.1"
},
{
"last_affected": "4.25.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "4.25.2"
},
{
"last_affected": "4.25.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "4.25.3"
},
{
"last_affected": "4.25.3"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "4.25.4"
},
{
"last_affected": "4.25.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "4.25.5"
},
{
"last_affected": "4.25.5"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"fixed": "d23011262e8e75e1ec41b0f1f0091493a022327e"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"4.25.0",
"4.25.1",
"4.25.2",
"4.25.3",
"4.25.4",
"4.25.5",
"v4.25.5",
"v4.26.0-beta.1",
"v4.25.3",
"v4.25.4",
"v4.25.2",
"v4.25.1",
"v4.25.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-17530.json"
}
}
],
"modified": "2026-10-28T02:30:42.915534030Z",
"provider": "osv",
"references": [
"https://github.com/AstrBotDevs/AstrBot/",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/17xxx/CVE-2026-17530.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-17530",
"https://vuldb.com/cve/CVE-2026-17530",
"https://vuldb.com/submit/862536",
"https://vuldb.com/vuln/383395",
"https://github.com/AstrBotDevs/AstrBot/issues/8781",
"https://vuldb.com/vuln/383395/cti",
"https://github.com/AstrBotDevs/AstrBot/commit/d23011262e8e75e1ec41b0f1f0091493a022327e",
"https://github.com/AstrBotDevs/AstrBot/pull/8786"
],
"provider_metadata": {
"cwe_ids": [
"CWE-285",
"CWE-863"
],
"cna_assigner": "VulDB",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/17xxx/CVE-2026-17530.json"
}
},
"related_cves": [
{
"value": "CVE-2026-17530",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 510978,
"published_at": "2026-07-27T15:45:10.355+00:00"
}