CVE-2026-3888

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Source
https://cve.org/CVERecord?id=CVE-2026-3888
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3888.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-3888
Downstream
Published
2026-03-17T14:02:08.475Z
Modified
2026-07-08T08:12:59.963588080Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
Local Privilege Escalation in snapd
Details

Local privilege escalation in snapd on Linux allows local attackers to get root privilege by re-creating snap's private /tmp directory when systemd-tmpfiles is configured to automatically clean up this directory. This issue affects Ubuntu 16.04 LTS, 18.04 LTS, 20.04 LTS, 22.04 LTS, and 24.04 LTS.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3888.json",
    "cna_assigner": "canonical",
    "cwe_ids": [
        "CWE-268"
    ]
}
References

Affected packages

Git / github.com/canonical/snapd

Affected ranges

Type
GIT
Repo
https://github.com/canonical/snapd
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
4f16c3f0664575cf915b5727684d249f6e00bcc6
Database specific 
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.75.1"
        }
    ]
}

Affected versions

1.*
1.0-0ubuntu1
1.0.1-0ubuntu1
1.1-0ubuntu1
1.1.1-0ubuntu1
1.1.2-0ubuntu1
1.2-0ubuntu1
1.3ubuntu1
1.4ubuntu1
1.5ubuntu1
1.6ubuntu1
1.7.2+20160113ubuntu1
1.7.2+20160204ubuntu1
1.7.2+20160223ubuntu1
1.7.2ubuntu1
1.7.3+20160225ubuntu1
1.7.3+20160303ubuntu1
1.7.3+20160303ubuntu2
1.7.3+20160303ubuntu3
1.7.3+20160303ubuntu4
1.7.3+20160308ubuntu1
1.7.3+20160310ubuntu1
1.7ubuntu1
1.9
1.9.1
1.9.2
1.9.3
1.9.4
2.*
2.0
2.0.10
2.0.3
2.0.4
2.0.5
2.0.6
2.0.7
2.0.8
2.0.9
2.11
2.12
2.13
2.14
2.14.1
2.14.2.16.04
2.15
2.15.2
2.75
Other
ppa
untagged-ec50ee5bfb45daefc236

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3888.json"