UBUNTU-CVE-2026-0595

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Source
https://ubuntu.com/security/CVE-2026-0595
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0595.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-0595
Upstream
Published
2026-02-11T12:16:00Z
Modified
2026-02-18T17:31:17Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N CVSS Calculator
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - high
Summary
[none]
Details

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 13.9 before 18.6.6, 18.7 before 18.7.4, and 18.8 before 18.8.4 that, under certain conditions could have allowed an authenticated user to add unauthorized email addresses to victim accounts through HTML injection in test case titles.

References

Affected packages

Ubuntu:16.04:LTS / gitlab

Package

Name
gitlab
Purl
pkg:deb/ubuntu/gitlab@8.5.8+dfsg-5?arch=source&distro=xenial

Affected ranges

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

Affected versions

8.*
8.4.3+dfsg-9
8.4.3+dfsg-12
8.5.8+dfsg-5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "gitlab",
            "binary_version": "8.5.8+dfsg-5"
        }
    ],
    "priority_reason": "An attacker could potentially gain access to a users account by adding email addresses to their account"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0595.json"

Ubuntu:24.04:LTS / gitlab-agent

Package

Name
gitlab-agent
Purl
pkg:deb/ubuntu/gitlab-agent@16.1.3-2?arch=source&distro=noble

Affected ranges

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

Affected versions

14.*
14.1.0-1
16.*
16.1.3-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ruby-kas-grpc",
            "binary_version": "16.1.3-2"
        }
    ],
    "priority_reason": "An attacker could potentially gain access to a users account by adding email addresses to their account"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0595.json"

Ubuntu:25.10 / gitlab-agent

Package

Name
gitlab-agent
Purl
pkg:deb/ubuntu/gitlab-agent@16.1.3-2?arch=source&distro=questing

Affected ranges

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

Affected versions

16.*
16.1.3-2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ruby-kas-grpc",
            "binary_version": "16.1.3-2"
        }
    ],
    "priority_reason": "An attacker could potentially gain access to a users account by adding email addresses to their account"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-0595.json"