Raw JSON
{
"containers": {
"cna": {
"affected": [
{
"product": "Leostream Connection Broker",
"vendor": "Leostream",
"versions": [
{
"status": "affected",
"version": "unknown"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "disclosure via Fulldisclosure"
}
],
"descriptions": [
{
"lang": "en",
"value": "0day Rubbish Research Team is publicly disclosing two vulnerabilities in Leostream Connection Broker 9.1.37.0.\n\nVulnerability 1 — Authenticated SQL injection to webshell to root RCE (CVSS 9.1, \nCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H, CWE-89)\n\ncall_back.pl?action=user concatenates the unsigned _where parameter into a PostgreSQL WHERE clause; the default \ninstallation grants SUPERUSER, runs postgres as the webroot owner, and configures NOPASSWD sudo, so lo_export writes a \nwebshell and /welcome.pl?c= triggers commands as root.\n\nVulnerability 2 — Unauthenticated rogue-agent registration + SSRF (CVSS 7.0, \nCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N, CWE-306)\n\nServer.Register is dispatched without the session gate and its token check is optional, letting an anonymous caller \ninject VM records and drive broker outbound TLS connections to attacker-controlled hosts.\n\nAuthentication: Vulnerability 1 authenticated (requires valid session); Vulnerability 2 unauthenticated / pre-auth.\n\nFull technical analyses and reproducible proofs-of-concept:\n https://0day-rubbish.com/blog/leostream-postauth-sqli-lo-export-webshell-rce\n https://0day-rubbish.com/blog/leostream-unauth-server-register-ssrf\n\nProject archive (ongoing disclosure series):\n https://github.com/Exploit-Garbage/0day-Rubbish\n\nVendor has been notified. CVE IDs are pending.\n\n--\n0day Rubbish Research Team\ndisclosure () 0day-rubbish com\nhttps://0day-rubbish.com\n_______________________________________________\nSent through the Full Disclosure mailing list\nhttps://nmap.org/mailman/listinfo/fulldisclosure\nWeb Archives & RSS: https://seclists.org/fulldisclosure/"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-306",
"description": "CWE-306",
"lang": "en",
"type": "CWE"
},
{
"cweId": "CWE-89",
"description": "CWE-89",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-09T10:08:09Z",
"orgId": "4e2abfbf-4a2a-4b76-a4e0-d77c18ba156c",
"shortName": "VULNARCHIVE"
},
"references": [
{
"tags": [
"technical-description"
],
"url": "https://vuln.freearchive.org/archive/full-disclosure/2026/Aug/96"
},
{
"tags": [
"technical-description"
],
"url": "https://seclists.org/fulldisclosure/2026/Aug/96"
},
{
"url": "https://0day-rubbish.com"
},
{
"url": "https://0day-rubbish.com/blog/leostream-postauth-sqli-lo-export-webshell-rce"
},
{
"url": "https://0day-rubbish.com/blog/leostream-unauth-server-register-ssrf"
},
{
"url": "https://github.com/Exploit-Garbage/0day-Rubbish"
},
{
"url": "https://nmap.org/mailman/listinfo/fulldisclosure"
},
{
"url": "https://seclists.org/fulldisclosure/"
}
],
"source": {
"defect": [
"https://seclists.org/fulldisclosure/2026/Aug/96"
],
"discovery": "EXTERNAL"
},
"title": "[0day-rubbish] Leostream Connection Broker 9.1.37.0 two vulnerabilities (SQLi to root RCE, unauth SSRF)",
"x_gcve": [
{
"recordType": "advisory",
"relationships": [],
"vulnId": "GCVE-1988-2026-0137",
"x_vulnarchive": {
"archiveUrl": "https://vuln.freearchive.org/archive/full-disclosure/2026/Aug/96",
"automated": true,
"contentSha256": "1cf8d2c5db456ca635e632c66da234db75b4b9ab7d593e5251eaa7d5b7786b04",
"evidenceScore": 9,
"messageId": "",
"originalUrl": "https://seclists.org/fulldisclosure/2026/Aug/96",
"policy": "vulnarchive-1",
"sourceFormat": "text/html",
"sourcePublishedAt": "2026-08-25T17:11:24Z"
}
}
]
}
},
"cveMetadata": {
"assignerOrgId": "4e2abfbf-4a2a-4b76-a4e0-d77c18ba156c",
"assignerShortName": "VULNARCHIVE",
"datePublished": "2026-09-07T13:20:22Z",
"dateUpdated": "2026-09-09T10:08:09Z",
"state": "PUBLISHED",
"vulnId": "GCVE-1988-2026-0137"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}