What is CVE-2026-56254?

CVE-2026-56254 is a high-severity vulnerability in Capacitor-updater, classified under CWE-320. CVSS score: 7.0/10. Published 2026-07-10.

How severe is CVE-2026-56254?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Capacitor-updater

CVE-2026-56254

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 perform…

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:L.

Affected products

Capacitor-updater — versions 0, 12.128.2

Weakness classification (CWE)

CWE-320

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56254?: CVE-2026-56254 is a high-severity vulnerability in Capacitor-updater, classified under CWE-320. CVSS score: 7.0/10. Published 2026-07-10.
How severe is CVE-2026-56254?: High severity. CVSS v3 base score is 7.0 out of 10.