Medium
Security advisory
In the IPv4 PASV path, the FTP Client accepts whatever address was sent in the server's `227` reply. Validation only covers the parse and the non-zero values, thus a malicious server can name any address and direct the Client there.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-102722
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 16:07 UTC · Revision 1
Source evidence
In the IPv4 PASV path, the FTP Client accepts whatever address was sent in the server's `227` reply. Validation only covers the parse and the non-zero values, thus a malicious server can name any address and direct the Client there.
osv:CVE-2026-102722
Complete source record
{
"id": "527efefbab334c74ef2d7e06a3a0fc9416f7b08352815ff174046461855facbb",
"url": "https://osv.dev/vulnerability/CVE-2026-102722",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-102722",
"summary": "In the IPv4 PASV path, the FTP Client accepts whatever address was sent in the server's `227` reply. Validation only covers the parse and the non-zero values, thus a malicious server can name any address and direct the Client there.",
"evidence": "osv:CVE-2026-102722",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-102722",
"aliases": [
"CVE-2026-102722",
"GHSA-j6g2-8fm3-rm8m"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/eclipse-threadx/netxduo",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "1a0e9e43a03e37ddecfb6b49e9b078d6e1803d05"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "6.5.1.202602"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
}
}
],
"versions": [
"v6.4.1_rel",
"v6.5.1.202602_rel",
"v6.5.0.202601_rel",
"v6.4.5.202504_rel",
"v6.4.4.202503a",
"v.6.4.4.202503_rel",
"v6.4.3_rel",
"v6.4.2_rel",
"v6.4.0_rel",
"v6.3.0_rel",
"v6.2.1_rel",
"v6.2.0_rel",
"v6.1.12_rel",
"v6.1.11_rel",
"v6.1.10_rel",
"v6.1.9_rel",
"v6.1.8_rel",
"v6.1.7_rel",
"v6.1.6_rel",
"v6.1.5_rel",
"v6.1.4_rel",
"v6.1.3_rel",
"v6.1.2_rel",
"v6.1_rel",
"v6.0.2_rel",
"v6.0.1_rel",
"v6.0_rel"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-102722.json"
}
}
],
"modified": "2026-10-28T02:30:30.304675651Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102722.json",
"https://github.com/eclipse-threadx/netxduo/security/advisories/GHSA-j6g2-8fm3-rm8m",
"https://nvd.nist.gov/vuln/detail/CVE-2026-102722"
],
"provider_metadata": {
"cwe_ids": [
"CWE-918"
],
"cna_assigner": "eclipse",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102722.json"
}
},
"related_cves": [
{
"value": "CVE-2026-102722",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 497115,
"published_at": "2026-09-29T17:47:56.018+00:00"
}