wss4j — security advisory
In the StAX streaming WS-SecurityPolicy validator, certain relative or unsupported XPath expressions can be converted into paths that never match the actual XML element path. A remote SOAP peer may therefore send a required element without the expected signature or encryption. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.
- Products
- wss4j
- Affected versions
- 1.6.19-4
- Fixed versions
- Not specified
- CVEs
- CVE-2026-87830
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 03:40 UTC · Revision 1
Source evidence
In the StAX streaming WS-SecurityPolicy validator, certain relative or unsupported XPath expressions can be converted into paths that never match the actual XML element path. A remote SOAP peer may therefore send a required element without the expected signature or encryption. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.
osv:DEBIAN-CVE-2026-87830
wss4j
Fixed versions: Not specified
wss4j
Fixed versions: Not specified
Complete source record
{
"id": "2de6441ad25def1030e257cfd96ab252b1f82b84b80e6c11e34dcfb6185db5c0",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-87830",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-87830",
"summary": "In the StAX streaming WS-SecurityPolicy validator, certain relative or unsupported XPath expressions can be converted into paths that never match the actual XML element path. A remote SOAP peer may therefore send a required element without the expected signature or encryption. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.",
"evidence": "osv:DEBIAN-CVE-2026-87830",
"products": [
{
"name": {
"value": "wss4j",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.6.19-4",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "wss4j",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.6.19-4",
"evidence": "/affected/1/versions"
}
]
}
],
"severity": "critical",
"structured": {
"id": "DEBIAN-CVE-2026-87830",
"aliases": [
"DEBIAN-CVE-2026-87830"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "wss4j",
"purl": "pkg:deb/debian/wss4j?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.6.19-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-87830.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "wss4j",
"purl": "pkg:deb/debian/wss4j?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.6.19-4"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-87830.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-07T09:47:32.312880779Z",
"provider": "osv",
"upstream": [
"CVE-2026-87830"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-87830"
]
},
"related_cves": [
{
"value": "CVE-2026-87830",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 94655,
"published_at": "2026-09-30T12:17:14.087+00:00"
}