ubuntu-cve-2026-59996
Vulnerability from osv_ubuntu
Published
2026-07-08 01:16
Modified
2026-07-13 18:42
Summary
Details
scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.
Severity
4.2 (Medium)
5.4 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client",
"binary_version": "1:6.6p1-2ubuntu2.13+esm2"
},
{
"binary_name": "openssh-server",
"binary_version": "1:6.6p1-2ubuntu2.13+esm2"
},
{
"binary_name": "openssh-sftp-server",
"binary_version": "1:6.6p1-2ubuntu2.13+esm2"
},
{
"binary_name": "ssh",
"binary_version": "1:6.6p1-2ubuntu2.13+esm2"
},
{
"binary_name": "ssh-askpass-gnome",
"binary_version": "1:6.6p1-2ubuntu2.13+esm2"
},
{
"binary_name": "ssh-krb5",
"binary_version": "1:6.6p1-2ubuntu2.13+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "openssh",
"purl": "pkg:deb/ubuntu/openssh@1:6.6p1-2ubuntu2.13+esm2?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:6.2p2-6",
"1:6.2p2-6ubuntu1",
"1:6.4p1-1",
"1:6.4p1-2",
"1:6.5p1-1",
"1:6.5p1-2",
"1:6.5p1-3",
"1:6.5p1-4",
"1:6.5p1-6",
"1:6.6p1-1",
"1:6.6p1-2",
"1:6.6p1-2ubuntu1",
"1:6.6p1-2ubuntu2",
"1:6.6p1-2ubuntu2.2",
"1:6.6p1-2ubuntu2.3",
"1:6.6p1-2ubuntu2.4",
"1:6.6p1-2ubuntu2.6",
"1:6.6p1-2ubuntu2.7",
"1:6.6p1-2ubuntu2.8",
"1:6.6p1-2ubuntu2.10",
"1:6.6p1-2ubuntu2.11",
"1:6.6p1-2ubuntu2.12",
"1:6.6p1-2ubuntu2.13",
"1:6.6p1-2ubuntu2.13+esm1",
"1:6.6p1-2ubuntu2.13+esm2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client",
"binary_version": "1:7.2p2-4ubuntu2.10+esm8"
},
{
"binary_name": "openssh-client-ssh1",
"binary_version": "1:7.2p2-4ubuntu2.10+esm8"
},
{
"binary_name": "openssh-server",
"binary_version": "1:7.2p2-4ubuntu2.10+esm8"
},
{
"binary_name": "openssh-sftp-server",
"binary_version": "1:7.2p2-4ubuntu2.10+esm8"
},
{
"binary_name": "ssh",
"binary_version": "1:7.2p2-4ubuntu2.10+esm8"
},
{
"binary_name": "ssh-askpass-gnome",
"binary_version": "1:7.2p2-4ubuntu2.10+esm8"
},
{
"binary_name": "ssh-krb5",
"binary_version": "1:7.2p2-4ubuntu2.10+esm8"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "openssh",
"purl": "pkg:deb/ubuntu/openssh@1:7.2p2-4ubuntu2.10+esm8?arch=source\u0026distro=esm-infra-legacy/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:6.9p1-2",
"1:6.9p1-3",
"1:7.1p1-1",
"1:7.1p1-3",
"1:7.1p1-4",
"1:7.1p1-6",
"1:7.1p2-1",
"1:7.1p2-2",
"1:7.2p1-1",
"1:7.2p2-1",
"1:7.2p2-2",
"1:7.2p2-3",
"1:7.2p2-4",
"1:7.2p2-4ubuntu1",
"1:7.2p2-4ubuntu2.1",
"1:7.2p2-4ubuntu2.2",
"1:7.2p2-4ubuntu2.4",
"1:7.2p2-4ubuntu2.5",
"1:7.2p2-4ubuntu2.6",
"1:7.2p2-4ubuntu2.7",
"1:7.2p2-4ubuntu2.8",
"1:7.2p2-4ubuntu2.10",
"1:7.2p2-4ubuntu2.10+esm1",
"1:7.2p2-4ubuntu2.10+esm2",
"1:7.2p2-4ubuntu2.10+esm3",
"1:7.2p2-4ubuntu2.10+esm4",
"1:7.2p2-4ubuntu2.10+esm5",
"1:7.2p2-4ubuntu2.10+esm6",
"1:7.2p2-4ubuntu2.10+esm7",
"1:7.2p2-4ubuntu2.10+esm8"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.7"
},
{
"binary_name": "openssh-client-hmac",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.7"
},
{
"binary_name": "openssh-client-ssh1",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.7"
},
{
"binary_name": "openssh-server",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.7"
},
{
"binary_name": "openssh-server-hmac",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.7"
},
{
"binary_name": "openssh-sftp-server",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.7"
},
{
"binary_name": "ssh",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.7"
},
{
"binary_name": "ssh-askpass-gnome",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.7"
},
{
"binary_name": "ssh-krb5",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.7"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:FIPS:16.04:LTS",
"name": "openssh",
"purl": "pkg:deb/ubuntu/openssh@1:7.2p2-4ubuntu2.fips.2.10.7?arch=source\u0026distro=fips-updates/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:7.2p2-4ubuntu2.fips.2.2.3",
"1:7.2p2-4ubuntu2.fips.2.4.1",
"1:7.2p2-4ubuntu2.fips.2.4.2",
"1:7.2p2-4ubuntu2.fips.2.8.1",
"1:7.2p2-4ubuntu2.fips.2.10.1",
"1:7.2p2-4ubuntu2.fips.2.10.2",
"1:7.2p2-4ubuntu2.fips.2.10.3",
"1:7.2p2-4ubuntu2.fips.2.10.4",
"1:7.2p2-4ubuntu2.fips.2.10.5",
"1:7.2p2-4ubuntu2.fips.2.10.6",
"1:7.2p2-4ubuntu2.fips.2.10.7"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.1"
},
{
"binary_name": "openssh-client-hmac",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.1"
},
{
"binary_name": "openssh-client-ssh1",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.1"
},
{
"binary_name": "openssh-server",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.1"
},
{
"binary_name": "openssh-server-hmac",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.1"
},
{
"binary_name": "openssh-sftp-server",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.1"
},
{
"binary_name": "ssh",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.1"
},
{
"binary_name": "ssh-askpass-gnome",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.1"
},
{
"binary_name": "ssh-krb5",
"binary_version": "1:7.2p2-4ubuntu2.fips.2.10.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:FIPS:16.04:LTS",
"name": "openssh",
"purl": "pkg:deb/ubuntu/openssh@1:7.2p2-4ubuntu2.fips.2.10.1?arch=source\u0026distro=fips/xenial"
},
"ranges": [
{
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{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:7.2p2-4ubuntu2.fips.2.2",
"1:7.2p2-4ubuntu2.fips.2.2.1",
"1:7.2p2-4ubuntu2.fips.2.10.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client",
"binary_version": "1:7.6p1-4ubuntu0.7+esm4"
},
{
"binary_name": "openssh-server",
"binary_version": "1:7.6p1-4ubuntu0.7+esm4"
},
{
"binary_name": "openssh-sftp-server",
"binary_version": "1:7.6p1-4ubuntu0.7+esm4"
},
{
"binary_name": "ssh",
"binary_version": "1:7.6p1-4ubuntu0.7+esm4"
},
{
"binary_name": "ssh-askpass-gnome",
"binary_version": "1:7.6p1-4ubuntu0.7+esm4"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "openssh",
"purl": "pkg:deb/ubuntu/openssh@1:7.6p1-4ubuntu0.7+esm4?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:7.5p1-10",
"1:7.6p1-4",
"1:7.6p1-4ubuntu0.1",
"1:7.6p1-4ubuntu0.2",
"1:7.6p1-4ubuntu0.3",
"1:7.6p1-4ubuntu0.5",
"1:7.6p1-4ubuntu0.6",
"1:7.6p1-4ubuntu0.7",
"1:7.6p1-4ubuntu0.7+esm1",
"1:7.6p1-4ubuntu0.7+esm2",
"1:7.6p1-4ubuntu0.7+esm3",
"1:7.6p1-4ubuntu0.7+esm4"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client-ssh1",
"binary_version": "1:7.5p1-10"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "openssh-ssh1",
"purl": "pkg:deb/ubuntu/openssh-ssh1@1:7.5p1-10?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:7.5p1-8",
"1:7.5p1-9",
"1:7.5p1-9build1",
"1:7.5p1-10"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10"
},
{
"binary_name": "openssh-client-hmac",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10"
},
{
"binary_name": "openssh-server",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10"
},
{
"binary_name": "openssh-server-hmac",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10"
},
{
"binary_name": "openssh-sftp-server",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10"
},
{
"binary_name": "openssh-tests",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10"
},
{
"binary_name": "ssh",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10"
},
{
"binary_name": "ssh-askpass-gnome",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.10"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:FIPS-updates:18.04:LTS",
"name": "openssh",
"purl": "pkg:deb/ubuntu/openssh@1:7.9p1-10~ubuntu18.04.fips.0.10?arch=source\u0026distro=fips-updates/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:7.9p1-10~ubuntu18.04.fips.0.1",
"1:7.9p1-10~ubuntu18.04.fips.0.2",
"1:7.9p1-10~ubuntu18.04.fips.0.3",
"1:7.9p1-10~ubuntu18.04.fips.0.4",
"1:7.9p1-10~ubuntu18.04.fips.0.5",
"1:7.9p1-10~ubuntu18.04.fips.0.6",
"1:7.9p1-10~ubuntu18.04.fips.0.7",
"1:7.9p1-10~ubuntu18.04.fips.0.8",
"1:7.9p1-10~ubuntu18.04.fips.0.9",
"1:7.9p1-10~ubuntu18.04.fips.0.10"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2"
},
{
"binary_name": "openssh-client-hmac",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2"
},
{
"binary_name": "openssh-server",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2"
},
{
"binary_name": "openssh-server-hmac",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2"
},
{
"binary_name": "openssh-sftp-server",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2"
},
{
"binary_name": "openssh-tests",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2"
},
{
"binary_name": "ssh",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2"
},
{
"binary_name": "ssh-askpass-gnome",
"binary_version": "1:7.9p1-10~ubuntu18.04.fips.0.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:FIPS:18.04:LTS",
"name": "openssh",
"purl": "pkg:deb/ubuntu/openssh@1:7.9p1-10~ubuntu18.04.fips.0.2?arch=source\u0026distro=fips/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:7.9p1-10~ubuntu18.04.fips.0.1",
"1:7.9p1-10~ubuntu18.04.fips.0.2"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client",
"binary_version": "1:8.2p1-4ubuntu0.13+esm1"
},
{
"binary_name": "openssh-server",
"binary_version": "1:8.2p1-4ubuntu0.13+esm1"
},
{
"binary_name": "openssh-sftp-server",
"binary_version": "1:8.2p1-4ubuntu0.13+esm1"
},
{
"binary_name": "openssh-tests",
"binary_version": "1:8.2p1-4ubuntu0.13+esm1"
},
{
"binary_name": "ssh",
"binary_version": "1:8.2p1-4ubuntu0.13+esm1"
},
{
"binary_name": "ssh-askpass-gnome",
"binary_version": "1:8.2p1-4ubuntu0.13+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:20.04:LTS",
"name": "openssh",
"purl": "pkg:deb/ubuntu/openssh@1:8.2p1-4ubuntu0.13+esm1?arch=source\u0026distro=esm-infra/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:8.0p1-6build1",
"1:8.1p1-1",
"1:8.1p1-5",
"1:8.2p1-4",
"1:8.2p1-4ubuntu0.1",
"1:8.2p1-4ubuntu0.2",
"1:8.2p1-4ubuntu0.3",
"1:8.2p1-4ubuntu0.4",
"1:8.2p1-4ubuntu0.5",
"1:8.2p1-4ubuntu0.7",
"1:8.2p1-4ubuntu0.8",
"1:8.2p1-4ubuntu0.9",
"1:8.2p1-4ubuntu0.10",
"1:8.2p1-4ubuntu0.11",
"1:8.2p1-4ubuntu0.12",
"1:8.2p1-4ubuntu0.13",
"1:8.2p1-4ubuntu0.13+esm1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client-ssh1",
"binary_version": "1:7.5p1-11build1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "openssh-ssh1",
"purl": "pkg:deb/ubuntu/openssh-ssh1@1:7.5p1-11build1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
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}
],
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]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client",
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},
{
"binary_name": "openssh-server",
"binary_version": "1:8.2p1-4ubuntu0.fips.0.13.1"
},
{
"binary_name": "openssh-sftp-server",
"binary_version": "1:8.2p1-4ubuntu0.fips.0.13.1"
},
{
"binary_name": "openssh-tests",
"binary_version": "1:8.2p1-4ubuntu0.fips.0.13.1"
},
{
"binary_name": "ssh",
"binary_version": "1:8.2p1-4ubuntu0.fips.0.13.1"
},
{
"binary_name": "ssh-askpass-gnome",
"binary_version": "1:8.2p1-4ubuntu0.fips.0.13.1"
}
]
},
"package": {
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"name": "openssh",
"purl": "pkg:deb/ubuntu/openssh@1:8.2p1-4ubuntu0.fips.0.13.1?arch=source\u0026distro=fips-updates/focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
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"1:8.2p1-4ubuntu0.fips.0.4.0",
"1:8.2p1-4ubuntu0.fips.0.5.0",
"1:8.2p1-4ubuntu0.fips.0.7",
"1:8.2p1-4ubuntu0.fips.0.8",
"1:8.2p1-4ubuntu0.fips.0.9",
"1:8.2p1-4ubuntu0.fips.0.10",
"1:8.2p1-4ubuntu0.fips.0.11",
"1:8.2p1-4ubuntu0.fips.0.12",
"1:8.2p1-4ubuntu0.fips.0.13",
"1:8.2p1-4ubuntu0.fips.0.13.1"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openssh-client",
"binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1"
},
{
"binary_name": "openssh-server",
"binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1"
},
{
"binary_name": "openssh-sftp-server",
"binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1"
},
{
"binary_name": "openssh-tests",
"binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1"
},
{
"binary_name": "ssh",
"binary_version": "1:8.2p1-4ubuntu0.fips.0.2.1"
},
{
"binary_name": "ssh-askpass-gnome",
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}
]
},
"package": {
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"name": "openssh",
"purl": "pkg:deb/ubuntu/openssh@1:8.2p1-4ubuntu0.fips.0.2.1?arch=source\u0026distro=fips/focal"
},
"ranges": [
{
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],
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}
],
"versions": [
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]
},
{
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "openssh-client",
"binary_version": "1:8.9p1-3ubuntu0.16"
},
{
"binary_name": "openssh-server",
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{
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{
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{
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],
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"1:8.7p1-2build1",
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},
{
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{
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},
{
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{
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{
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{
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},
{
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]
},
{
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},
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],
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],
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},
{
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},
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"name": "openssh",
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],
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"1:9.6p1-3ubuntu13.15+Fips1",
"1:9.6p1-3ubuntu13.16+Fips1",
"1:9.6p1-3ubuntu13.16+Fips2"
]
},
{
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{
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{
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{
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{
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"package": {
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{
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{
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{
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},
{
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{
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]
},
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"name": "openssh-ssh1",
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],
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}
],
"aliases": [],
"details": "scp in OpenSSH before 10.4 may place a file in the parent directory of an intended directory when the copy occurs between two remote destinations.",
"id": "UBUNTU-CVE-2026-59996",
"modified": "2026-07-13T18:42:49Z",
"published": "2026-07-08T01:16:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2026-59996"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-59996"
},
{
"type": "REPORT",
"url": "https://www.openssh.org/releasenotes.html#10.4p1"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-8533-1"
}
],
"related": [
"USN-8533-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2026-59996"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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