HighFix available
TypeDeserializerBase
Type: advisorySources: OSV
CVE-2026-91776 affects multiple packages. TypeDeserializerBase. See references for individual vulnerability details.
- Products
- elasticsearch, wso2mi
- Affected versions
- Not specified
- Fixed versions
- 4.6.0-r7, 9.2.8-r8
- CVEs
- CVE-2026-91776
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 12:59 UTC · Revision 1
Source evidence
CVE-2026-91776 affects multiple packages. TypeDeserializerBase. See references for individual vulnerability details.
osv:CLEANSTART-2026-OV27346
elasticsearch
Fixed versions: 9.2.8-r8
elasticsearch
Fixed versions: 9.2.8-r8
wso2mi
Fixed versions: 4.6.0-r7
Complete source record
{
"id": "978a66bc5f555c37d9ce8e760efd4103e7b3d33c879f2b86add909de623134a1",
"url": "https://osv.dev/vulnerability/CLEANSTART-2026-OV27346",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "TypeDeserializerBase",
"summary": "CVE-2026-91776 affects multiple packages. TypeDeserializerBase. See references for individual vulnerability details.",
"evidence": "osv:CLEANSTART-2026-OV27346",
"products": [
{
"name": {
"value": "elasticsearch",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.2.8-r8",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "elasticsearch",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.2.8-r8",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "wso2mi",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.6.0-r7",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "CLEANSTART-2026-OV27346",
"aliases": [
"CLEANSTART-2026-OV27346"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.2.8-r8"
}
]
}
],
"package": {
"name": "elasticsearch",
"purl": "pkg:apk/cleanstart/elasticsearch?arch=x86_64",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-OV27346.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.2.8-r8"
}
]
}
],
"package": {
"name": "elasticsearch",
"purl": "pkg:apk/cleanstart/elasticsearch?arch=aarch64",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-OV27346.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.6.0-r7"
}
]
}
],
"package": {
"name": "wso2mi",
"purl": "pkg:apk/cleanstart/wso2mi?arch=noarch",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-OV27346.json"
}
}
],
"modified": "2026-10-15T01:00:24.915695892Z",
"provider": "osv",
"upstream": [
"CVE-2026-91776"
],
"references": [
"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-OV27346.json",
"https://osv.dev/vulnerability/CVE-2026-91776",
"https://nvd.nist.gov/vuln/detail/CVE-2026-91776"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2026-91776",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 318329,
"published_at": "2026-10-15T00:42:37.587229+00:00"
}