Internationalization Single Sign-On - Critical - Access bypass - SA-CONTRIB-2026-081
Summary
| CVE | CVE-2026-16639 |
|---|---|
| State | PUBLISHED |
| Assigner | drupal |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-08-25 23:16:56 UTC |
| Updated | 2026-08-25 23:16:56 UTC |
| Description | 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. |
Risk And Classification
Problem Types: CWE-288 | CWE-288 CWE-288 Authentication Bypass Using an Alternate Path or Channel
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Drupal | Internationalization Single Sign-On | affected 0.0.0 1.8.0 semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.drupal.org/sa-contrib-2026-081 | [email protected] | www.drupal.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Drew Webber (mcdruid) (en)
CNA: Florent Torregrosa (grimreaper) (en)
CNA: Drew Webber (mcdruid) (en)
CNA: Bram Driesen (bramdriesen) (en)
CNA: Greg Knaddison (greggles) (en)
CNA: Drew Webber (mcdruid) (en)
CNA: Juraj Nemec (poker10) (en)
There are currently no legacy QID mappings associated with this CVE.