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Drupal security advisory (AV26-738)

critical
Serial number: AV26-738 Date: July 22, 2026 On July 22, 2026, Drupal published security advisories to address a vulnerability in the following product. Included was a critical update for the following: Internationalization Single Sign-On – versions prior to 1.8.0 The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates or perform the suggested mitigations. Internationalization Single Sign-On - Critical - Access bypass - SA-CONTRIB-2026-081 Drupal Security Advisories

CSIRTS triage

What
A critical access bypass vulnerability has been identified.
Who is affected
Users of Internationalization Single Sign-On versions prior to 1.8.0.
Urgency
Remediation is important as it is a critical vulnerability.
Action
Apply the necessary updates or perform the suggested mitigations.

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Details

Source
Canadian Centre for Cyber Security (CA · national-cert · site)
Severity
critical
Published
2026-07-22
Exploitation
Not in CISA KEV at last sync

Original advisory: https://cyber.gc.ca/en/alerts-advisories/drupal-security-advisory-av26-738

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