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CVE-2026-3888 Local Privilege Escalation in snapd

🗓️ 17 Mar 2026 14:02:08Reported by canonicalType 
cvelist
 cvelist
🔗 www.cve.org👁 60 Views

CVE-2026-3888 enables local privilege escalation in snapd by re-creating the private /tmp during systemd-tmpfiles cleanup on Ubuntu 16.04 to 24.04.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
githubexploit
GithubExploit
web-management-server-compromise-assessment
12 Jul 202619:48
–githubexploit
githubexploit
GithubExploit
Exploit for Privilege Chaining in Canonical Ubuntu_Linux
6 Oct 202616:07
–githubexploit
githubexploit
GithubExploit
Exploit for CVE-2026-3888
12 May 202601:20
–githubexploit
githubexploit
GithubExploit
Exploit for CVE-2026-3888
18 Mar 202615:33
–githubexploit
githubexploit
GithubExploit
Exploit for CVE-2026-3888
20 Mar 202608:30
–githubexploit
githubexploit
GithubExploit
Exploit for Missing Authentication for Critical Function in Nginxui Nginx_Ui
7 May 202621:12
–githubexploit
githubexploit
GithubExploit
Exploit for Privilege Chaining in Canonical Ubuntu_Linux
12 Oct 202622:34
–githubexploit
githubexploit
GithubExploit
Exploit for CVE-2026-3888
31 Mar 202613:46
–githubexploit
githubexploit
GithubExploit
Exploit for Missing Authentication for Critical Function in Nginxui Nginx_Ui
7 May 202621:12
–githubexploit
attackerkb
attackerkb
CVE-2026-3888
17 Mar 202614:02
–attackerkb
Rows per page
[
  {
    "collectionURL": "https://github.com/canonical",
    "packageName": "snapd",
    "repo": "https://github.com/canonical/snapd/",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.75.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 16.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/xenial",
    "packageName": "snapd",
    "repo": "https://launchpad.net/ubuntu/+source/snapd",
    "versions": [
      {
        "status": "unaffected",
        "version": "2.61.4ubuntu0.16.04.1+esm2",
        "lessThan": "*",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 18.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/bionic",
    "packageName": "snapd",
    "repo": "https://launchpad.net/ubuntu/+source/snapd",
    "versions": [
      {
        "status": "unaffected",
        "version": "2.61.4ubuntu0.18.04.1+esm2",
        "lessThan": "*",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 20.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/focal",
    "packageName": "snapd",
    "repo": "https://launchpad.net/ubuntu/+source/snapd",
    "versions": [
      {
        "status": "unaffected",
        "version": "2.67.1+20.04ubuntu1~esm1",
        "lessThan": "*",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 22.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/jammy",
    "packageName": "snapd",
    "repo": "https://launchpad.net/ubuntu/+source/snapd",
    "versions": [
      {
        "status": "unaffected",
        "version": "2.73+ubuntu22.04.1",
        "lessThan": "*",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  },
  {
    "vendor": "Canonical",
    "product": "Ubuntu 24.04 LTS",
    "platforms": [
      "Linux"
    ],
    "collectionURL": "https://launchpad.net/ubuntu/noble",
    "packageName": "snapd",
    "repo": "https://launchpad.net/ubuntu/+source/snapd",
    "versions": [
      {
        "status": "unaffected",
        "version": "2.73+ubuntu24.04.2",
        "lessThan": "*",
        "versionType": "dpkg"
      }
    ],
    "defaultStatus": "affected"
  }
]

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