high severityConfidence mediumHistorical record

Magento still needs APSB26-138 after the StyleSmuggler hotfix

Adobe Commerce / Magento still needs APSB26-138 authorization fixes after the StyleSmuggler hotfix. Apply the bulletin.

Also tracked as CVE-2026-77774

First observed

Sep 8, 2026

Last observed

Sep 8, 2026

Last reviewed

Sep 20, 2026

Tracking ended

Sep 8, 2026

Uncertainty and limitations

Read the evidence limits before acting on this record.

Confirm exact APSB26-138 builds against the live Adobe advisory.

  • Campaign tracks CVE-2026-77774 only; StyleSmuggler is separate.
  • Does not invent CVSS or fixed versions beyond cited sources.
  • HOL blog is operator guidance.

Timeline

Reviewed events, oldest first, each tied to a verified source.

  1. Disclosure

    CVE-2026-77774 Magento APSB26-138 authz disclosed.

  2. Update

    HOL Guard published operator coverage.

Publication clock: 307.4 hours from reviewed disclosure timestamp to HOL publication; 24-hour high target; historical backfill outside target.

Guard coverage and non-coverage

What Guard's reviewed coverage assertions do and do not claim for this campaign.

No Guard coverage mapping is published for this record.

Defensive policy guidance

Reviewed starting points for defending against this campaign's artifact classes.

No campaign-specific policy guidance is published.

Sources

Every claim on this record is traceable to the sources below.

Reviewed in full by HOL Guard Security Publishing.

Published
Last full review
Last modified

Report a correction

Record HGTC-2026-AC71E2E9.