UBUNTU-CVE-2026-40460

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Source
https://ubuntu.com/security/CVE-2026-40460
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40460.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2026-40460
Upstream
  • CVE-2026-40460
Downstream
Related
Published
2026-05-13T16:16:00Z
Modified
2026-06-01T19:00:16.347590158Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L CVSS Calculator
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

References

Affected packages

Ubuntu:25.10 / nginx

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.28.0-6ubuntu1.4

Affected versions

1.*
1.26.3-2ubuntu1
1.26.3-3ubuntu1
1.26.3-3ubuntu2
1.26.3-3ubuntu3
1.28.0-3ubuntu1
1.28.0-4ubuntu1
1.28.0-6ubuntu1
1.28.0-6ubuntu1.1
1.28.0-6ubuntu1.2
1.28.0-6ubuntu1.3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "libnginx-mod-http-geoip"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "libnginx-mod-http-image-filter"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "libnginx-mod-http-perl"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "libnginx-mod-http-xslt-filter"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "libnginx-mod-mail"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "libnginx-mod-stream"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "libnginx-mod-stream-geoip"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "nginx"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "nginx-common"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "nginx-core"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "nginx-extras"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "nginx-full"
        },
        {
            "binary_version": "1.28.0-6ubuntu1.4",
            "binary_name": "nginx-light"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40460.json"

Ubuntu:26.04:LTS / nginx

Package

Name
nginx
Purl
pkg:deb/ubuntu/nginx?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.28.3-2ubuntu1.2

Affected versions

1.*
1.28.0-6ubuntu1
1.28.1-2ubuntu1
1.28.1-3ubuntu1
1.28.2-2ubuntu1
1.28.3-2ubuntu1
1.28.3-2ubuntu1.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "libnginx-mod-http-geoip"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "libnginx-mod-http-image-filter"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "libnginx-mod-http-perl"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "libnginx-mod-http-xslt-filter"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "libnginx-mod-mail"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "libnginx-mod-stream"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "libnginx-mod-stream-geoip"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "nginx"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "nginx-common"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "nginx-core"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "nginx-extras"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "nginx-full"
        },
        {
            "binary_version": "1.28.3-2ubuntu1.2",
            "binary_name": "nginx-light"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-40460.json"