UBUNTU-CVE-2026-39087

Source
https://ubuntu.com/security/CVE-2026-39087
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-39087.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-39087
Upstream
Published
2026-04-23T16:16:00Z
Modified
2026-07-09T17:15:57Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 6.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

ntfy before 2.22.0 allows SSRF because of an unanchored regular expression for web push endpoint URLs.

References

Affected packages

Ubuntu:25.10 / ntfy

Package

Name
ntfy
Purl
pkg:deb/ubuntu/ntfy?arch=source&distro=questing

Affected ranges

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

Affected versions

2.*
2.11.0-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "ntfy",
            "binary_version": "2.11.0-2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-39087.json"

Ubuntu:Pro:26.04:LTS / ntfy

Package

Name
ntfy
Purl
pkg:deb/ubuntu/ntfy?arch=source&distro=esm-apps%2Fresolute

Affected ranges

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

Affected versions

2.*
2.11.0-2
2.11.0-3
2.11.0-3ubuntu0.26.04.1~esm1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "ntfy",
            "binary_version": "2.11.0-3ubuntu0.26.04.1~esm1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-39087.json"