🔐 CVE Alert

CVE-2026-16639

UNKNOWN 0.0

Internationalization Single Sign-On - Critical - Access bypass - SA-CONTRIB-2026-081

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal Internationalization Single Sign-On allows Authentication Bypass. This issue affects Internationalization Single Sign-On versions: from 0.0.0 to 1.8.0.

CWE CWE-288
Vendor drupal
Product internationalization single sign-on
Ecosystems
Industries
WebMedia
Published Aug 25, 2026
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Affected Versions

Drupal / Internationalization Single Sign-On
0.0.0 < 1.8.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗
drupal.org: https://www.drupal.org/sa-contrib-2026-081

Credits

Drew Webber (mcdruid) Florent Torregrosa (grimreaper) Drew Webber (mcdruid) Bram Driesen (bramdriesen) Greg Knaddison (greggles) Drew Webber (mcdruid) Juraj Nemec (poker10)