High
Security advisory
IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to reuse another user's FAISS namespace to access owner-only vector content and influence later query results. This causes cross-user information disclosure and limited integrity impact through persistent poisoning of returned results.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-13442
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 09:42 UTC · Revision 1
Source evidence
IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to reuse another user's FAISS namespace to access owner-only vector content and influence later query results. This causes cross-user information disclosure and limited integrity impact through persistent poisoning of returned results.
osv:CVE-2026-13442
Complete source record
{
"id": "b2b770a55d883ea23b75a431eabefcf70392c0ff4ed969f6119e9803ad2a5136",
"url": "https://osv.dev/vulnerability/CVE-2026-13442",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-13442",
"summary": "IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to reuse another user's FAISS namespace to access owner-only vector content and influence later query results. This causes cross-user information disclosure and limited integrity impact through persistent poisoning of returned results.",
"evidence": "osv:CVE-2026-13442",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-13442",
"aliases": [
"CVE-2026-13442"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/langflow-ai/langflow",
"type": "GIT",
"events": [
{
"introduced": "24d9e86885b877ea3e9d03cbc50b963765489721"
},
{
"fixed": "a69a47ff1b5c99ce9c50edc4df45de4397151f17"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.0.0"
},
{
"fixed": "1.10.2"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-13442.json"
}
}
],
"modified": "2026-10-25T02:30:47.943714044Z",
"provider": "osv",
"references": [
"https://www.ibm.com/support/pages/node/7279988"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2026-13442",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 444561,
"published_at": "2026-07-28T21:17:25.387+00:00"
}