UnratedFix available
grafana: Fix of 2 CVEs
Type: advisorySources: OSV
- CVE-2026-39821: update bundled golang.org/x/net to 0.55.0 so that IDNA ToASCII/ToUnicode reject Punycode-encoded labels that decode to an all-ASCII name, preventing hostname authorization bypass and privilege escalation
- Products
- grafana, grafana-selinux
- Affected versions
- Not specified
- Fixed versions
- 10.2.6-15.el9_6.tuxcare.els13
- CVEs
- CVE-2026-39821
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 10:51 UTC · Revision 1
Source evidence
- CVE-2026-39821: update bundled golang.org/x/net to 0.55.0 so that IDNA ToASCII/ToUnicode reject Punycode-encoded labels that decode to an all-ASCII name, preventing hostname authorization bypass and privilege escalation
osv:CLSA-2026-1784024382
grafana
Fixed versions: 10.2.6-15.el9_6.tuxcare.els13
grafana-selinux
Fixed versions: 10.2.6-15.el9_6.tuxcare.els13
Complete source record
{
"id": "29bcaf3f8e9e491004542eaf11894754d7f16072b71b50225818f4b7eacdfb20",
"url": "https://osv.dev/vulnerability/CLSA-2026-1784024382",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "grafana: Fix of 2 CVEs",
"summary": "- CVE-2026-39821: update bundled golang.org/x/net to 0.55.0 so that IDNA ToASCII/ToUnicode reject Punycode-encoded labels that decode to an all-ASCII name, preventing hostname authorization bypass and privilege escalation",
"evidence": "osv:CLSA-2026-1784024382",
"products": [
{
"name": {
"value": "grafana",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.2.6-15.el9_6.tuxcare.els13",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grafana-selinux",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "10.2.6-15.el9_6.tuxcare.els13",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1784024382",
"aliases": [
"CLSA-2026-1784024382"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.2.6-15.el9_6.tuxcare.els13"
}
]
}
],
"package": {
"name": "grafana",
"purl": "pkg:rpm/tuxcare/grafana?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784024382.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "10.2.6-15.el9_6.tuxcare.els13"
}
]
}
],
"package": {
"name": "grafana-selinux",
"purl": "pkg:rpm/tuxcare/grafana-selinux?distro=almalinux-9.6",
"ecosystem": "TuxCare:AlmaLinux:9.6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1784024382.json"
}
}
],
"modified": "2026-10-26T09:31:17.685351519Z",
"provider": "osv",
"upstream": [
"CVE-2026-39821"
],
"references": [
"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1784024382.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-25681",
"https://nvd.nist.gov/vuln/detail/CVE-2026-39821"
]
},
"related_cves": [
{
"value": "CVE-2026-39821",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 447564,
"published_at": "2026-07-30T10:55:44+00:00"
}