MediumFix available
commercial-elasticsearch-9.5 — security advisory
This notice tracks CVE-2026-59921 for commercial-elasticsearch-9.5. Fixed in: 9.5.5-r0.
- Products
- commercial-elasticsearch-9.5
- Affected versions
- Not specified
- Fixed versions
- 9.5.5-r0
- CVEs
- CVE-2026-59921
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 27 Oct 2026, 22:00 UTC · Revision 1
Source evidence
CGA-2wc5-rm4m-65r3
osv:CGA-2wc5-rm4m-65r3
commercial-elasticsearch-9.5
Fixed versions: 9.5.5-r0
Complete source record
{
"id": "a31c362933489685885e7e35bc6d27277ce2f2bb2f8e07d5982a11386d170a38",
"url": "https://osv.dev/vulnerability/CGA-2wc5-rm4m-65r3",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CGA-2wc5-rm4m-65r3",
"summary": "CGA-2wc5-rm4m-65r3",
"evidence": "osv:CGA-2wc5-rm4m-65r3",
"products": [
{
"name": {
"value": "commercial-elasticsearch-9.5",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "9.5.5-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "CGA-2wc5-rm4m-65r3",
"aliases": [
"CGA-2wc5-rm4m-65r3"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.5.5-r0"
}
]
}
],
"package": {
"name": "commercial-elasticsearch-9.5",
"purl": "pkg:apk/chainguard/commercial-elasticsearch-9.5?arch=aarch64",
"ecosystem": "Chainguard"
},
"database_specific": {
"source": "https://advisories.cgr.dev/chainguard/v3/osv/CGA-2wc5-rm4m-65r3.json"
},
"ecosystem_specific": {
"components": [
{
"component_name": "netty-codec-http",
"component_purl": "pkg:maven/netty-codec-http@4.1.135.Final",
"component_type": "java-archive",
"component_version": "4.1.135.Final",
"component_location": "/usr/share/elasticsearch/modules/transport-netty4/netty-codec-http-4.1.135.Final.jar",
"latest_event_status": "fixed",
"latest_event_timestamp": "2026-10-06T19:32:47Z"
}
]
}
}
],
"modified": "2026-10-06T23:16:04.809063664Z",
"provider": "osv",
"upstream": [
"CVE-2026-59921",
"GHSA-gcjf-9mgh-3p7g"
],
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59921.json",
"https://github.com/netty/netty/security/advisories/GHSA-gcjf-9mgh-3p7g",
"https://nvd.nist.gov/vuln/detail/CVE-2026-59921"
]
},
"related_cves": [
{
"value": "CVE-2026-59921",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 91930,
"published_at": "2026-08-05T02:51:33+00:00"
}