VulnSocial

CVE-2026-39866PoC(lawnchair / lawnchair)

LOWCVSS 8.8 · HIGH

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

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.

lawnchair CVEsBack to dashboard
1.5/ 10 priority

Sources & remediation

Patch / fix
Exploit / PoC references
Weakness type (CWE)
CWE-77

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • lawnchair

Threat summary

  • Public PoC is present in monitored signal
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-04-11); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
lawnchair
Products
lawnchair

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-11: 1Mentions · 2026-04-21: 1PoC Mentioned / Linked · 2026-04-11: 1Technical Details · 2026-04-11: 1Technical Details · 2026-04-21: 104-1104-21
Signal classification2 categories
PoC
150.0%
Disclosure
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-04-111
PoC1
2026-04-211
Disclosure1
Full discourse2 posts
  • Vulmon Vulnerability Feed@VulmonFeeds
    PoC

    CVE-2026-39866 Purpose Proof-of-concept environment for CVE-2026-39866, an unauthenticated command injection vulnerability in the Lawnchair workflow engine. Quick Facts CVE https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-39866

    Post summary

    The post announces a proof‑of‑concept environment for CVE‑2026‑39866, describing it as an unauthenticated command injection in Lawnchair workflow engine and linking to a vulnerability details page, but offers no exploit code, patch, or active exploitation evidence.

    0000162
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-39866 Lawnchair is a free, open-source home app for Android. Prior to commit fcba413f55dd47f8a3921445252849126c6266b2, command injection in release_update.yml workflow disp… https://www.cve.org/CVERecord?id=CVE-2026-39866

    Post summary

    Disclosed a command‑injection vulnerability in Lawnchair’s release_update.yml workflow (CVE‑2026‑39866) with no PoC, exploit, patch, or active exploitation details provided.

    0000082
    57.2K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Applawnchairlawnchair---

Explore more

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