UBUNTU-CVE-2026-115804

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Source
https://ubuntu.com/security/CVE-2026-115804
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115804.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-115804
Upstream
Published
2026-10-26T18:17:00Z
Modified
2026-10-28T20:17:20Z
Severity
  • 6.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L CVSS Calculator
  • 6.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in health check registration that may allow an authenticated user to modify health checks belonging to another service on the same node. This vulnerability (CVE-2026-115804) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.

References

Affected packages

Ubuntu:18.04:LTS / consul

Package

Name
consul
Purl
pkg:deb/ubuntu/consul?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.6.4~dfsg-3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "consul",
            "binary_version":  "0.6.4~dfsg-3"
        },
        {
            "binary_name":  "golang-github-hashicorp-consul-dev",
            "binary_version":  "0.6.4~dfsg-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115804.json"

Ubuntu:20.04:LTS / consul

Package

Name
consul
Purl
pkg:deb/ubuntu/consul?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.0.7~dfsg1-5ubuntu1
1.4.4~dfsg1-2ubuntu2
1.5.2+dfsg1-6
1.5.2+dfsg1-10
1.5.2+dfsg1-12
1.5.2+dfsg2-14

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "consul",
            "binary_version":  "1.5.2+dfsg2-14"
        },
        {
            "binary_name":  "golang-github-hashicorp-consul-dev",
            "binary_version":  "1.5.2+dfsg2-14"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115804.json"

Ubuntu:22.04:LTS / consul

Package

Name
consul
Purl
pkg:deb/ubuntu/consul?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.7.4+dfsg1-1
1.8.7+dfsg1-3

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "consul",
            "binary_version":  "1.8.7+dfsg1-3"
        },
        {
            "binary_name":  "golang-github-hashicorp-consul-dev",
            "binary_version":  "1.8.7+dfsg1-3"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-115804.json"