CVE-2026-39866

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Source
https://cve.org/CVERecord?id=CVE-2026-39866
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-39866.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-39866
Aliases
  • GHSA-9prc-pp2c-3427
Published
2026-04-21T01:19:47.510Z
Modified
2026-07-08T07:10:43.241444Z
Severity
  • 7.4 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P CVSS Calculator
Summary
Lawnchair vulnerable to Command Injection via unquoted workflow dispatch input in release_update.yml
Details

Lawnchair is a free, open-source home app for Android. Prior to commit fcba413f55dd47f8a3921445252849126c6266b2, command injection in release_update.yml workflow dispatch input allows arbitrary code execution. Commit fcba413f55dd47f8a3921445252849126c6266b2 patches the issue.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "fixed": "fcba413f55dd47f8a3921445252849126c6266b2"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/39xxx/CVE-2026-39866.json",
    "cwe_ids": [
        "CWE-77"
    ],
    "cna_assigner": "GitHub_M"
}
References

Affected packages

Git / github.com/lawnchairlauncher/lawnchair

Affected ranges

Type
GIT
Repo
https://github.com/lawnchairlauncher/lawnchair
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
fcba413f55dd47f8a3921445252849126c6266b2
Database specific 
{
    "source": "REFERENCES"
}

Affected versions

android-11.*
android-11.0.0_r18
android-11.0.0_r19
android-11.0.0_r20
android-11.0.0_r21
android-11.0.0_r22
android-11.0.0_r23
android-11.0.0_r24
android-11.0.0_r26
android-11.0.0_r27
android-11.0.0_r28
android-11.0.0_r29
android-11.0.0_r31
android-7.*
android-7.1.2_r1
android-7.1.2_r10
android-7.1.2_r11
android-7.1.2_r12
android-7.1.2_r13
android-7.1.2_r14
android-7.1.2_r15
android-7.1.2_r16
android-7.1.2_r17
android-7.1.2_r18
android-7.1.2_r19
android-7.1.2_r2
android-7.1.2_r23
android-7.1.2_r24
android-7.1.2_r25
android-7.1.2_r27
android-7.1.2_r28
android-7.1.2_r29
android-7.1.2_r3
android-7.1.2_r30
android-7.1.2_r32
android-7.1.2_r33
android-7.1.2_r36
android-7.1.2_r37
android-7.1.2_r38
android-7.1.2_r39
android-7.1.2_r4
android-7.1.2_r5
android-7.1.2_r6
android-7.1.2_r8
android-7.1.2_r9
v11.*
v11.0-alpha.1
v11.0-alpha.6
v11.0-alpha.6.1
v12.*
v12.0-alpha.1
v12.0-alpha.2
v12.0-alpha.3
v12.0-alpha.4
v12.0.0-alpha.5
v12.1.0-alpha.1
v12.1.0-alpha.2
v12.1.0-alpha.3
v12.1.0-alpha.4
v14.*
v14.0.0-beta1
v14.0.0-beta2
v14.0.0-beta3
v15.*
v15.0.0-beta1
v15.0.0-beta2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-39866.json"