UBUNTU-CVE-2026-59818
- Source
- https://ubuntu.com/security/CVE-2026-59818
- Import Source
- https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-59818.json
- JSON Data
- https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-59818
- Upstream
- Published
- 2026-07-08T21:16:00Z
- Modified
- 2026-07-15T19:45:39Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
- 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
- Ubuntu - medium
- Summary
- [none]
- Details
-
etcd is a distributed key-value store for the data of a distributed system. Prior to 3.5.32 and 3.6.13, when etcd is configured with --listen-client-http-urls to split HTTP and gRPC client endpoints onto separate listeners, the --client-crl-file Certificate Revocation List is not enforced on the gRPC listener, allowing a client with a revoked certificate to authenticate successfully over gRPC. This issue is fixed in versions 3.5.32 and 3.6.13.
- References
-
- https://ubuntu.com/security/CVE-2026-59818
- https://www.cve.org/CVERecord?id=CVE-2026-59818
- https://github.com/etcd-io/etcd/commit/2308ce1578064641d4d67c40f0487309267d1bef
- https://github.com/etcd-io/etcd/commit/24838af5a53dd0245adced920e42a9bf0e7a267f
- https://github.com/etcd-io/etcd/commit/8221ae82bc25d4d55ca64382207b69be71038cbb
- https://github.com/etcd-io/etcd/pull/22007
- https://github.com/etcd-io/etcd/pull/22021
- https://github.com/etcd-io/etcd/pull/22025
- https://github.com/etcd-io/etcd/releases/tag/v3.5.32
- https://github.com/etcd-io/etcd/releases/tag/v3.6.13
- https://github.com/etcd-io/etcd/security/advisories/GHSA-3wh4-j44w-pg92
Affected packages
Ubuntu:16.04:LTS
etcd
Package
- Name
- etcd
- Purl
- pkg:deb/ubuntu/etcd?arch=source&distro=xenial
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
2.*
2.2.0+dfsg-2
2.2.1+dfsg-1
2.2.2+dfsg-1
2.2.2+dfsg-2
2.2.3+dfsg-1
2.2.5+dfsg-1
2.2.5+dfsg-1ubuntu1
Ubuntu:25.10
etcd
Package
- Name
- etcd
- Purl
- pkg:deb/ubuntu/etcd?arch=source&distro=questing
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Ubuntu:Pro:18.04:LTS
etcd
Package
- Name
- etcd
- Purl
- pkg:deb/ubuntu/etcd?arch=source&distro=esm-apps%2Fbionic
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
3.*
3.1.0-1
3.2.9+dfsg-2
3.2.9+dfsg-3
3.2.17+dfsg-1
3.2.17+dfsg-1ubuntu0.1~esm1
3.2.17+dfsg-1ubuntu0.1
3.2.17+dfsg-1ubuntu0.1+esm1
3.2.17+dfsg-1ubuntu0.1+esm2
Ecosystem specific
{
"binaries": [
{
"binary_name": "etcd",
"binary_version": "3.2.17+dfsg-1ubuntu0.1+esm2"
},
{
"binary_name": "etcd-client",
"binary_version": "3.2.17+dfsg-1ubuntu0.1+esm2"
},
{
"binary_name": "etcd-server",
"binary_version": "3.2.17+dfsg-1ubuntu0.1+esm2"
},
{
"binary_name": "golang-etcd-server-dev",
"binary_version": "3.2.17+dfsg-1ubuntu0.1+esm2"
}
]
}Ubuntu:Pro:20.04:LTS
etcd
Package
- Name
- etcd
- Purl
- pkg:deb/ubuntu/etcd?arch=source&distro=esm-apps%2Ffocal
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
3.*
3.2.26+dfsg-3
3.2.26+dfsg-4
3.2.26+dfsg-6
3.2.26+dfsg-6ubuntu0.1
3.2.26+dfsg-6ubuntu0.2
3.2.26+dfsg-6ubuntu0.2+esm1
Ecosystem specific
{
"binaries": [
{
"binary_name": "etcd",
"binary_version": "3.2.26+dfsg-6ubuntu0.2+esm1"
},
{
"binary_name": "etcd-client",
"binary_version": "3.2.26+dfsg-6ubuntu0.2+esm1"
},
{
"binary_name": "etcd-server",
"binary_version": "3.2.26+dfsg-6ubuntu0.2+esm1"
},
{
"binary_name": "golang-etcd-server-dev",
"binary_version": "3.2.26+dfsg-6ubuntu0.2+esm1"
}
]
}Ubuntu:Pro:22.04:LTS
etcd
Package
- Name
- etcd
- Purl
- pkg:deb/ubuntu/etcd?arch=source&distro=esm-apps%2Fjammy
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
3.*
3.3.25+dfsg-6
3.3.25+dfsg-7
3.3.25+dfsg-7ubuntu0.22.04.1
3.3.25+dfsg-7ubuntu0.22.04.1+esm1
3.3.25+dfsg-7ubuntu0.22.04.2
3.3.25+dfsg-7ubuntu0.22.04.2+esm1
3.3.25+dfsg-7ubuntu0.22.04.2+esm2
3.3.25+dfsg-7ubuntu0.22.04.2+esm3
Ecosystem specific
{
"binaries": [
{
"binary_name": "etcd",
"binary_version": "3.3.25+dfsg-7ubuntu0.22.04.2+esm3"
},
{
"binary_name": "etcd-client",
"binary_version": "3.3.25+dfsg-7ubuntu0.22.04.2+esm3"
},
{
"binary_name": "etcd-server",
"binary_version": "3.3.25+dfsg-7ubuntu0.22.04.2+esm3"
},
{
"binary_name": "golang-etcd-server-dev",
"binary_version": "3.3.25+dfsg-7ubuntu0.22.04.2+esm3"
}
]
}Ubuntu:Pro:24.04:LTS
etcd
Package
- Name
- etcd
- Purl
- pkg:deb/ubuntu/etcd?arch=source&distro=esm-apps%2Fnoble
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Affected versions
3.*
3.4.23-4ubuntu2
3.4.30-1
3.4.30-1build1
3.4.30-1ubuntu0.24.04.1
3.4.30-1ubuntu0.24.04.2
3.4.30-1ubuntu0.24.04.2+esm1
3.4.30-1ubuntu0.24.04.3
3.4.30-1ubuntu0.24.04.3+esm1
3.4.30-1ubuntu0.24.04.3+esm2
Ecosystem specific
{
"binaries": [
{
"binary_name": "etcd-client",
"binary_version": "3.4.30-1ubuntu0.24.04.3+esm2"
},
{
"binary_name": "etcd-server",
"binary_version": "3.4.30-1ubuntu0.24.04.3+esm2"
},
{
"binary_name": "golang-etcd-server-dev",
"binary_version": "3.4.30-1ubuntu0.24.04.3+esm2"
}
]
}Ubuntu:Pro:26.04:LTS
etcd
Package
- Name
- etcd
- Purl
- pkg:deb/ubuntu/etcd?arch=source&distro=esm-apps%2Fresolute
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0 Unknown introduced version / All previous versions are affected
Ecosystem specific
{
"binaries": [
{
"binary_name": "etcd-client",
"binary_version": "3.5.16-10ubuntu0.26.04.1~esm1"
},
{
"binary_name": "etcd-server",
"binary_version": "3.5.16-10ubuntu0.26.04.1~esm1"
},
{
"binary_name": "golang-etcd-server-dev",
"binary_version": "3.5.16-10ubuntu0.26.04.1~esm1"
}
]
}