UnratedFix available
curl: Fix of CVE-2026-6276
Type: advisorySources: OSV
- CVE-2026-6276: clear the custom Host cookie host per request so cookies are not sent to another origin on connection reuse
- Products
- curl, libcurl, libcurl-devel
- Affected versions
- Not specified
- Fixed versions
- 7.19.7-59.el6.tuxcare.els19
- CVEs
- CVE-2026-6276
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:24 UTC · Revision 1
Source evidence
- CVE-2026-6276: clear the custom Host cookie host per request so cookies are not sent to another origin on connection reuse
osv:CLSA-2026-1792808992
curl
Fixed versions: 7.19.7-59.el6.tuxcare.els19
libcurl
Fixed versions: 7.19.7-59.el6.tuxcare.els19
libcurl-devel
Fixed versions: 7.19.7-59.el6.tuxcare.els19
Complete source record
{
"id": "1e447047eefe7d6208a03338ecbe35501e58477bfafef17a5b110210aa5fbc0c",
"url": "https://osv.dev/vulnerability/CLSA-2026-1792808992",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "curl: Fix of CVE-2026-6276",
"summary": "- CVE-2026-6276: clear the custom Host cookie host per request so cookies are not sent to another origin on connection reuse",
"evidence": "osv:CLSA-2026-1792808992",
"products": [
{
"name": {
"value": "curl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.19.7-59.el6.tuxcare.els19",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libcurl",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.19.7-59.el6.tuxcare.els19",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libcurl-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.19.7-59.el6.tuxcare.els19",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1792808992",
"aliases": [
"CLSA-2026-1792808992"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.19.7-59.el6.tuxcare.els19"
}
]
}
],
"package": {
"name": "curl",
"purl": "pkg:rpm/tuxcare/curl?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1792808992.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.19.7-59.el6.tuxcare.els19"
}
]
}
],
"package": {
"name": "libcurl",
"purl": "pkg:rpm/tuxcare/libcurl?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1792808992.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.19.7-59.el6.tuxcare.els19"
}
]
}
],
"package": {
"name": "libcurl-devel",
"purl": "pkg:rpm/tuxcare/libcurl-devel?distro=oraclelinux-6",
"ecosystem": "TuxCare:OracleLinux:6"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/oraclelinux6els/CLSA-2026-1792808992.json"
}
}
],
"modified": "2026-10-26T09:31:53.779537242Z",
"provider": "osv",
"upstream": [
"CVE-2026-6276"
],
"references": [
"https://errata.tuxcare.com/els_os/oraclelinux6els/CLSA-2026-1792808992.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-6276"
]
},
"related_cves": [
{
"value": "CVE-2026-6276",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448884,
"published_at": "2026-10-24T02:30:03+00:00"
}