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CVE-2026-12391 ubuntu-pro-client Local Privilege Escalation and Information Disclosure via Symlink Arbitrary File Read in collect-logs

🗓️ 16 Jul 2026 12:17:01Reported by canonicalType 
cvelist
 cvelist
🔗 www.cve.org👁 5 Views

An insecure symlink following vulnerability exists in Canonical ubuntu-pro-client (formerly ubuntu-advantage-tools) within the pro collect-logs command framework. The utility creates or utilizes predictable temporary file paths or user-accessible ...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
CVE-2026-12391
16 Jul 202612:17
attackerkb
circl
CVE-2026-12391
16 Jul 202614:18
circl
cve
CVE-2026-12391
16 Jul 202612:17
cve
euvd
EUVD-2026-44912
16 Jul 202615:33
euvd
nvd
CVE-2026-12391
16 Jul 202613:16
nvd
ptsecurity
PT-2026-60460
16 Jul 202600:00
ptsecurity
ubuntu
USN-8555-1: Ubuntu Advantage Tools (pro client) vulnerabilities
16 Jul 202612:59
ubuntu
vulnrichment
CVE-2026-12391 ubuntu-pro-client Local Privilege Escalation and Information Disclosure via Symlink Arbitrary File Read in collect-logs
16 Jul 202612:17
vulnrichment
[
  {
    "vendor": "Canonical",
    "product": "ubuntu-pro-client (ubuntu-advantage-tools)",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://github.com/canonical/",
    "packageName": "ubuntu-pro-client",
    "repo": "https://github.com/canonical/ubuntu-pro-client",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "37.3",
        "versionType": "python"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 26.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/resolute",
    "packageName": "ubuntu-advantage-tools",
    "repo": "https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools",
    "versions": [
      {
        "status": "unaffected",
        "version": "37.2ubuntu0.1",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 24.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/noble",
    "packageName": "ubuntu-advantage-tools",
    "repo": "https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools",
    "versions": [
      {
        "status": "unaffected",
        "version": "37.2ubuntu~24.04.1",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 22.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/jammy",
    "packageName": "ubuntu-advantage-tools",
    "repo": "https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools",
    "versions": [
      {
        "status": "unaffected",
        "version": "37.2ubuntu~22.04.1",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 20.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/focal",
    "packageName": "ubuntu-advantage-tools",
    "repo": "https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools",
    "versions": [
      {
        "status": "unaffected",
        "version": "37.1ubuntu0~20.04.1",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 18.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/bionic",
    "packageName": "ubuntu-advantage-tools",
    "repo": "https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools",
    "versions": [
      {
        "status": "unaffected",
        "version": "37.1ubuntu0~18.04.1",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 16.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/xenial",
    "packageName": "ubuntu-advantage-tools",
    "repo": "https://launchpad.net/ubuntu/+source/ubuntu-advantage-tools",
    "versions": [
      {
        "status": "unaffected",
        "version": "37.1ubuntu0~16.04.1",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  }
]

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16 Jul 2026 12:17Current
CVSS 3.15
5