UBUNTU-CVE-2026-84962

Source
https://ubuntu.com/security/CVE-2026-84962
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84962.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-84962
Upstream
  • CVE-2026-84962
Published
2026-09-04T00:00:00Z
Modified
2026-09-05T06:15:33.541186916Z
Severity
  • 4.2 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:N/A:N CVSS Calculator
  • 5.7 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An unauthorized user with key vault write access may cause an authorized client to issue arbitrary authenticated Google Cloud KMS API calls under the authorized user's identity, escalating database-level access into cloud key control and defeating client-side encryption.

References

Affected packages

Ubuntu:22.04:LTS / libmongocrypt

Package

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

Affected ranges

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

Affected versions

1.*
1.2.1-1
1.2.2-1
1.3.0-1
1.3.0-1ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libmongocrypt0",
            "binary_version": "1.3.0-1ubuntu1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84962.json"

Ubuntu:24.04:LTS / libmongocrypt

Package

Name
libmongocrypt
Purl
pkg:deb/ubuntu/libmongocrypt?arch=source&distro=noble

Affected ranges

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

Affected versions

1.*
1.7.2-1
1.8.2-1
1.8.4-1
1.8.4-1build2
1.8.4-1build3

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libmongocrypt0",
            "binary_version": "1.8.4-1build3"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84962.json"

Ubuntu:26.04:LTS / libmongocrypt

Package

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

Affected ranges

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

Affected versions

1.*
1.13.2-1
1.17.0-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "libmongocrypt0",
            "binary_version": "1.17.0-1"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-84962.json"