Event Monitor Cyber
EM-20261030-CAG5 VulnerabilityHigh severity

Shopify App Vulnerability (CVE-2026-63414)

CVE-2026-63414

Status
Developing

Since : signals keep joining.

First Signal
Oct 29 16:39 UTCC26 GitHub Advisory Database
Page Born
Oct 30 23:17 UTCsecond source joined
Last Signal
Oct 30 23:17 UTC5 days before snapshot
Sources
20 official · 2 research, news or crowd
Open For
6 daysso far

Life Of This Page

  1. 1
    Born
    A second, independent source names it.
  2. 2
    Developing · Now
    New signals join; severity can move.
  3. 3
    Confirmed
    Not yet
    CISA KEV lists it, or exploitation in the wild is reported.
  4. 4
    Resolved
    Not yet
    Past the fix deadline and 14 days with no new signal.
  5. 5
    Archived
    Not yet
    30 days after resolved. Read only; the link keeps working. Reopens if it comes back.

The address and ID never change. A correction is logged, never overwritten. If two pages turn out to be one incident, the later one points to the earlier.

Vulnerability Lifecycle

  1. Disclosed: reached
    Oct 30 23:17 UTC
    C6 NVD published
  2. Scored: reached
    Oct 30 23:17 UTC
    CVSS 7.6 · EPSS 0.5%
  3. Exploited: not yet
    Not yet
    No exploitation reported
  4. Advisories: not yet
    Not yet
    None yet
  5. Vendor Response: not yet
    Not yet
    None in sources yet
  6. Resolved: not yet
    Not yet
    After 14 quiet days

Timeline

12:00Oct 3012:00Oct 31BornC26 GitHub Advisory DatabaseC6 NVD CVE API 2.0

Point at a mark to read it. Squares are signals, colored by severity; every one is also listed under Signals.

Signals

  1. CVE-2026-63414 (CVSS 7.6) (opens source in a new tab) Shopify App is a Rails engine for building Shopify applications. From 22.1.0 until 23.0.3, `token-exchange` authenticated controllers can expose a request-derived `shop` context instead of the identity from a verified Sh… High severityDatabaseC6 NVD CVE API 2.0
  2. GHSA-6j52-38f8-qhxr / CVE-2026-63414: Shopify App: Token exchange shop context confusion may allow cross-shop authorization bypass in affected apps (opens source in a new tab) rubygems:shopify_app High severityDatabaseC26 GitHub Advisory Database