UBUNTU-CVE-2026-118266

Source
https://ubuntu.com/security/CVE-2026-118266
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118266.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-118266
Upstream
Published
2026-10-29T00:00:00Z
Modified
2026-10-29T20:03:06Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Echo is a Go web framework. Prior to 4.16.0 and 5.4.0, Echo's MethodOverride middleware accepts a safe HTTP method as the override target for a POST request. When MethodOverride is registered before CSRF in the post-routing middleware chain, route selection retains the original state-changing POST handler but the override changes the method before CSRF evaluates it, causing both token validation and Sec-Fetch-Site checks to be skipped. A cross-site exploit requires an authenticated victim and an override value that a browser-submitted request can control, such as the form getter used by the advisory reproducer; the default X-HTTP-Method-Override header getter is not settable by a cross-site form. This issue is fixed in 4.16.0 and 5.4.0.

References

Affected packages

Ubuntu:20.04:LTS
golang-github-labstack-echo.v2

Package

Name
golang-github-labstack-echo.v2
Purl
pkg:deb/ubuntu/golang-github-labstack-echo.v2?arch=source&distro=focal

Affected ranges

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

Affected versions

2.*
2.2.0-1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "golang-github-labstack-echo.v2-dev",
            "binary_version":  "2.2.0-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118266.json"
golang-github-labstack-echo.v3

Package

Name
golang-github-labstack-echo.v3
Purl
pkg:deb/ubuntu/golang-github-labstack-echo.v3?arch=source&distro=focal

Affected ranges

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

Affected versions

3.*
3.3.5-1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "golang-github-labstack-echo.v3-dev",
            "binary_version":  "3.3.5-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118266.json"
Ubuntu:22.04:LTS
golang-github-labstack-echo

Package

Name
golang-github-labstack-echo
Purl
pkg:deb/ubuntu/golang-github-labstack-echo?arch=source&distro=jammy

Affected ranges

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

Affected versions

4.*
4.2.1-2

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "golang-github-labstack-echo-dev",
            "binary_version":  "4.2.1-2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118266.json"
golang-github-labstack-echo.v2

Package

Name
golang-github-labstack-echo.v2
Purl
pkg:deb/ubuntu/golang-github-labstack-echo.v2?arch=source&distro=jammy

Affected ranges

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

Affected versions

2.*
2.2.0-2

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "golang-github-labstack-echo.v2-dev",
            "binary_version":  "2.2.0-2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118266.json"
golang-github-labstack-echo.v3

Package

Name
golang-github-labstack-echo.v3
Purl
pkg:deb/ubuntu/golang-github-labstack-echo.v3?arch=source&distro=jammy

Affected ranges

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

Affected versions

3.*
3.3.10-1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "golang-github-labstack-echo.v3-dev",
            "binary_version":  "3.3.10-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118266.json"
Ubuntu:24.04:LTS
golang-github-labstack-echo

Package

Name
golang-github-labstack-echo
Purl
pkg:deb/ubuntu/golang-github-labstack-echo?arch=source&distro=noble

Affected ranges

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

Affected versions

4.*
4.11.1-2

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "golang-github-labstack-echo-dev",
            "binary_version":  "4.11.1-2"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118266.json"
Ubuntu:26.04:LTS
golang-github-labstack-echo

Package

Name
golang-github-labstack-echo
Purl
pkg:deb/ubuntu/golang-github-labstack-echo?arch=source&distro=resolute

Affected ranges

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

Affected versions

4.*
4.12.0-1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "golang-github-labstack-echo-dev",
            "binary_version":  "4.12.0-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118266.json"
Ubuntu:26.10
golang-github-labstack-echo

Package

Name
golang-github-labstack-echo
Purl
pkg:deb/ubuntu/golang-github-labstack-echo?arch=source&distro=stonking

Affected ranges

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

Affected versions

4.*
4.12.0-1

Ecosystem specific

{
    "binaries":  [
        {
            "binary_name":  "golang-github-labstack-echo-dev",
            "binary_version":  "4.12.0-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-118266.json"