UnratedFix available
curl: Fix of 2 CVEs
Type: advisorySources: OSV
- CVE-2026-11856: flush Digest auth state on origin or credential change to avoid leaking the Authorization header across origins on handle reuse
- Products
- curl, curl-minimal, libcurl, libcurl-devel, libcurl-minimal
- Affected versions
- Not specified
- Fixed versions
- 7.61.1-22.el8.tuxcare.els20
- CVEs
- CVE-2026-11856
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:10 UTC · Revision 1
Source evidence
- CVE-2026-11856: flush Digest auth state on origin or credential change to avoid leaking the Authorization header across origins on handle reuse
osv:CLSA-2026-1783937591
curl
Fixed versions: 7.61.1-22.el8.tuxcare.els20
curl-minimal
Fixed versions: 7.61.1-22.el8.tuxcare.els20
libcurl
Fixed versions: 7.61.1-22.el8.tuxcare.els20
libcurl-devel
Fixed versions: 7.61.1-22.el8.tuxcare.els20
libcurl-minimal
Fixed versions: 7.61.1-22.el8.tuxcare.els20
Complete source record
{
"id": "47c9862682c392ed692f3874cc7aa3a883340838c9c657e4a056d4352a974905",
"url": "https://osv.dev/vulnerability/CLSA-2026-1783937591",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "curl: Fix of 2 CVEs",
"summary": "- CVE-2026-11856: flush Digest auth state on origin or credential change to avoid leaking the Authorization header across origins on handle reuse",
"evidence": "osv:CLSA-2026-1783937591",
"products": [
{
"name": {
"value": "curl",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.61.1-22.el8.tuxcare.els20",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "curl-minimal",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.61.1-22.el8.tuxcare.els20",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libcurl",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.61.1-22.el8.tuxcare.els20",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libcurl-devel",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.61.1-22.el8.tuxcare.els20",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libcurl-minimal",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "7.61.1-22.el8.tuxcare.els20",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1783937591",
"aliases": [
"CLSA-2026-1783937591"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.61.1-22.el8.tuxcare.els20"
}
]
}
],
"package": {
"name": "curl",
"purl": "pkg:rpm/tuxcare/curl?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1783937591.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.61.1-22.el8.tuxcare.els20"
}
]
}
],
"package": {
"name": "curl-minimal",
"purl": "pkg:rpm/tuxcare/curl-minimal?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1783937591.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.61.1-22.el8.tuxcare.els20"
}
]
}
],
"package": {
"name": "libcurl",
"purl": "pkg:rpm/tuxcare/libcurl?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1783937591.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.61.1-22.el8.tuxcare.els20"
}
]
}
],
"package": {
"name": "libcurl-devel",
"purl": "pkg:rpm/tuxcare/libcurl-devel?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1783937591.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.61.1-22.el8.tuxcare.els20"
}
]
}
],
"package": {
"name": "libcurl-minimal",
"purl": "pkg:rpm/tuxcare/libcurl-minimal?distro=centos-8.4",
"ecosystem": "TuxCare:CentOS:8.4"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.4els/CLSA-2026-1783937591.json"
}
}
],
"modified": "2026-10-26T09:31:49.609102897Z",
"provider": "osv",
"upstream": [
"CVE-2026-11856"
],
"references": [
"https://errata.tuxcare.com/els_os/centos8.4els/CLSA-2026-1783937591.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-11856",
"https://nvd.nist.gov/vuln/detail/CVE-2026-8927"
]
},
"related_cves": [
{
"value": "CVE-2026-11856",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448581,
"published_at": "2026-08-06T08:51:22+00:00"
}