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CVE-2026-39866

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8ede990c03aa7dac8dafb40848963b543e70243fb7c132b014e4691c53848008
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"lawnchair","vendor":"LawnchairLauncher","versions":[{"status":"affected","version":"< fcba413f55dd47f8a3921445252849126c6266b2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a9eb5c49a58d78e76375ed8e46faadd27599b8a1fe95dac501edc5219b206841 · sha256:05bd7a360b4df7b3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":7.4,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a9eb5c49a58d78e76375ed8e46faadd27599b8a1fe95dac501edc5219b206841 · sha256:05bd7a360b4df7b3… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-77","description":"CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a9eb5c49a58d78e76375ed8e46faadd27599b8a1fe95dac501edc5219b206841 · sha256:05bd7a360b4df7b3… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/LawnchairLauncher/lawnchair/commit/fcba413f55dd47f8a3921445252849126c6266b2","tags":["x_refsource_MISC"],"url":"https://github.com/LawnchairLauncher/lawnchair/commit/fcba413f55dd47f8a3921445252849126c6266b2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a9eb5c49a58d78e76375ed8e46faadd27599b8a1fe95dac501edc5219b206841 · sha256:05bd7a360b4df7b3… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a9eb5c49a58d78e76375ed8e46faadd27599b8a1fe95dac501edc5219b206841 · sha256:05bd7a360b4df7b3… · /containers/adp/0/references/0
{"name":"https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427","tags":["x_refsource_CONFIRM"],"url":"https://github.com/LawnchairLauncher/lawnchair/security/advisories/GHSA-9prc-pp2c-3427"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a9eb5c49a58d78e76375ed8e46faadd27599b8a1fe95dac501edc5219b206841 · sha256:05bd7a360b4df7b3… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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