{"affected":[{"ecosystem":"https://www.drupal.org/project/oidc","product":"OpenID Connect Client","source":"CNA: drupal","vendor":"Drupal","versions":[{"lessThan":"2.3.1","status":"affected","version":"0.0.0","versionType":"semver"}]}],"cveId":"CVE-2026-118554","cwes":["CWE-288"],"description":"Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect Client allows Authentication Bypass. This issue affects OpenID Connect Client versions: from 0.0.0 to 2.3.1.","epss":{"date":"2026-11-05","percentile":0.0902,"score":0.00193},"exploits":[],"kev":null,"metrics":[{"score":5.4,"severity":"medium","source":"ADP: CISA-ADP","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"}],"modifiedAt":1793967958099,"publishedAt":1793329718343,"references":[{"source":"CNA: drupal","tags":[],"url":"https://www.drupal.org/sa-contrib-2026-287"}],"remediation":[],"revision":"41471c7e792c69e10dc7848b7f45b204849d5820fe4150ce8e8d765a26e24665","sources":[{"modifiedAt":1793967958099,"name":"CNA: drupal","retrievedAt":1793970572620,"url":"https://www.cve.org/CVERecord?id=CVE-2026-118554"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793970591127,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-118554"}],"ssvc":{"assessedAt":1793967918180,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"OpenID Connect Client - Moderately critical - Improper authentication - SA-CONTRIB-2026-287","updatedAt":1793970591127}