CVE-2026-56254 — capacitor-updater - End-to-End Encryption Bypass via Private Key Distribution
In @capgo/capacitor-updater (Cap-go/capgo) before 12.128.2, the end-to-end encryption scheme distributes the private key to each device that downloads the app. Because the publi…
Published: 2026-07-10 · CVSS: 8.3 · CVSS 4.0
In @capgo/capacitor-updater (Cap-go/capgo) before 12.128.2, the end-to-end encryption scheme distributes the private key to each device that downloads the app. Because the public key can be derived from the private key, an attacker performing a man-in-the-middle attack or compromising the Capgo server can create a validly signed update bundle and cause devices to install an update not produced by the original app maker.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7