CVE-2026-18508 Tar: tar: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite
| Reporter | Title | Published | Views | Family All 7 |
|---|---|---|---|---|
 | CVE-2026-18508 | 3 Aug 202614:51 | – | attackerkb |
 | CVE-2026-18508 | 3 Aug 202614:51 | – | cve |
 | EUVD-2026-52327 | 3 Aug 202618:30 | – | euvd |
 | CVE-2026-18508 | 3 Aug 202616:16 | – | nvd |
 | PT-2026-67425 | 3 Aug 202600:00 | – | ptsecurity |
 | CVE-2026-18508 | 3 Aug 202614:51 | – | redhatcve |
 | CVE-2026-18508 Tar: tar: --one-top-level hardlink targets not confined to top-level directory enabling arbitrary file overwrite | 3 Aug 202614:51 | – | vulnrichment |
[
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 10",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "tar",
"defaultStatus": "affected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:10"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 6",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "tar",
"defaultStatus": "unknown",
"cpes": [
"cpe:/o:redhat:enterprise_linux:6"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 7",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "tar",
"defaultStatus": "unknown",
"cpes": [
"cpe:/o:redhat:enterprise_linux:7"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 8",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "tar",
"defaultStatus": "affected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:8"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Enterprise Linux 9",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "tar",
"defaultStatus": "affected",
"cpes": [
"cpe:/o:redhat:enterprise_linux:9"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "aardvark-dns",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "chunkah",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "grafana12.4",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "grafana13.1",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "netavark",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "nodejs26",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "python-cryptography",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "rust",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "rust-rpm-sequoia",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "tar",
"defaultStatus": "affected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat Hardened Images",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "yarnpkg",
"defaultStatus": "unaffected",
"cpes": [
"cpe:/a:redhat:hummingbird:1"
]
},
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "rhcos",
"defaultStatus": "affected",
"cpes": [
"cpe:/a:redhat:openshift:4"
]
}
]| Source | Link |
|---|---|
| access | www.access.redhat.com/security/cve/CVE-2026-18508 |
| bugzilla | www.bugzilla.redhat.com/show_bug.cgi |
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03 Aug 2026 14:51Current
CVSS 3.14.4