Researchers remotely disabled a vulnerable updater in the abandoned Time4Popcorn app, a fork of the Popcorn Time BitTorrent client, addressing a security flaw that could have allowed attackers to execute malicious code with elevated privileges on millions of computers.

The vulnerability or weakness

The vulnerability, CVE-2026-30612, affected Windows and macOS updaters that contacted the app's abandoned domain over unencrypted HTTP and accepted executables without verifying digital signatures.

CVECVSSSeverityIn CISA KEVKEV due date
CVE-2026-306129.8CRITICALNo-

CVE data: NVD (nvd.nist.gov) and the CISA Known Exploited Vulnerabilities catalog.

Earlier attacks and coverage

No earlier related attack in our archive yet.

Business impact

Organizations could face severe operational disruptions and legal risks if the vulnerability had been exploited, potentially leading to data breaches or system compromises.

Industries affected

The incident primarily affects organizations with users or employees who may have inadvertently installed the app, including residential ISPs, corporations, governments, and military networks.

Users affected

Users of the Time4Popcorn app, even if they were not actively using it, faced the risk of having their devices compromised, as the app could have executed malicious code with elevated privileges.

Sources