{"id":"CVE-2026-55806","aliases":["BIT-drupal-2026-55806","DRUPAL-CORE-2026-007","EUVD-2026-43083","GHSA-vwxh-w8pq-6q99"],"status":"published","title":"Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-007","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00339,"percentile":0.27677,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601"],"published":"2026-06-17T18:57:37Z","modified":"2026-10-28T02:31:09Z","fixes":[{"ecosystem":"Bitnami","package":"drupal","fixed_in":["10.5.12","10.6.11","11.2.14","11.3.12"],"sources":["osv"]},{"ecosystem":"Packagist","package":"drupal/core","fixed_in":["10.5.12","10.6.11","11.2.14","11.3.12","11.1.0","11.2.0"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"drupal","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"10.5.12"},{"introduced":"10.6.0"},{"fixed":"10.6.11"},{"introduced":"11.0.0"},{"fixed":"11.2.14"},{"introduced":"11.3.0"},{"fixed":"11.3.12"}]}]},{"source":"osv","ecosystem":"Packagist","package":"drupal/core","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"10.5.12"}]},{"type":"ECOSYSTEM","events":[{"introduced":"10.6.0"},{"fixed":"10.6.11"}]},{"type":"ECOSYSTEM","events":[{"introduced":"11.2.0"},{"fixed":"11.2.14"}]},{"type":"ECOSYSTEM","events":[{"introduced":"11.3.0"},{"fixed":"11.3.12"}]},{"type":"ECOSYSTEM","events":[{"introduced":"11.0.0"},{"fixed":"11.1.0"}]},{"type":"ECOSYSTEM","events":[{"introduced":"11.1.0"},{"fixed":"11.2.0"}]}],"versions":["10.0.0","10.0.0-alpha1","10.0.0-alpha2","10.0.0-alpha3","10.0.0-alpha4","10.0.0-alpha5","10.0.0-alpha6","10.0.0-alpha7","10.0.0-beta1","10.0.0-beta2","10.0.0-rc1","10.0.0-rc2","10.0.0-rc3","10.0.1","10.0.10","10.0.11","10.0.2","10.0.3","10.0.4","10.0.5","10.0.6","10.0.7","10.0.8","10.0.9","10.1.0","10.1.0-alpha1","10.1.0-beta1","10.1.0-rc1","10.1.1","10.1.2","10.1.3","10.1.4","10.1.5","10.1.6","10.1.7","10.1.8","10.2.0","10.2.0-alpha1","10.2.0-beta1","10.2.0-rc1","10.2.1","10.2.10","10.2.11","10.2.12","10.2.2","10.2.3","10.2.4","10.2.5","10.2.6","10.2.7","10.2.8","10.2.9","10.3.0","10.3.0-beta1","10.3.0-rc1","10.3.1","10.3.10","10.3.11","10.3.12","10.3.13","10.3.14","10.3.2","10.3.3","10.3.4","10.3.5","10.3.6","10.3.7","10.3.8","10.3.9","10.4.0","10.4.0-beta1","10.4.0-rc1","10.4.1","10.4.10","10.4.2","10.4.3","10.4.4","10.4.5","10.4.6","10.4.7","10.4.8","10.4.9","10.5.0","10.5.0-beta1","10.5.0-rc1","10.5.1","10.5.10","10.5.11","10.5.2","10.5.3","10.5.4","10.5.5","10.5.6","10.5.7","10.5.8","10.5.9","10.6.0","10.6.1","10.6.10","10.6.2","10.6.3","10.6.4","10.6.5","10.6.6","10.6.7","10.6.8","10.6.9","11.0.0","11.0.1","11.0.10","11.0.11","11.0.12","11.0.13","11.0.2","11.0.3","11.0.4","11.0.5","11.0.6","11.0.7","11.0.8","11.0.9","11.1.0","11.1.0-beta1","11.1.0-rc1","11.1.1","11.1.10","11.1.2","11.1.3","11.1.4","11.1.5","11.1.6","11.1.7","11.1.8","11.1.9","11.2.0","11.2.0-alpha1","11.2.0-beta1","11.2.0-rc1","11.2.0-rc2","11.2.1","11.2.10","11.2.11","11.2.12","11.2.13","11.2.2","11.2.3","11.2.4","11.2.5","11.2.6","11.2.7","11.2.8","11.2.9","11.3.0","11.3.1","11.3.10","11.3.11","11.3.2","11.3.3","11.3.4","11.3.5","11.3.6","11.3.7","11.3.8","11.3.9","8.0.0","8.0.0-beta10","8.0.0-beta11","8.0.0-beta12","8.0.0-beta13","8.0.0-beta14","8.0.0-beta15","8.0.0-beta16","8.0.0-beta6","8.0.0-beta7","8.0.0-beta8","8.0.0-beta9","8.0.0-rc1","8.0.0-rc2","8.0.0-rc3","8.0.0-rc4","8.0.1","8.0.2","8.0.3","8.0.4","8.0.5","8.0.6","8.1.0","8.1.0-beta1","8.1.0-beta2","8.1.0-rc1","8.1.1","8.1.10","8.1.2","8.1.3","8.1.4","8.1.5","8.1.6","8.1.7","8.1.8","8.1.9","8.2.0","8.2.0-beta1","8.2.0-beta2","8.2.0-beta3","8.2.0-rc1","8.2.0-rc2","8.2.1","8.2.2","8.2.3","8.2.4","8.2.5","8.2.6","8.2.7","8.2.8","8.3.0","8.3.0-alpha1","8.3.0-beta1","8.3.0-rc1","8.3.0-rc2","8.3.1","8.3.2","8.3.3","8.3.4","8.3.5","8.3.6","8.3.7","8.3.8","8.3.9","8.4.0","8.4.0-alpha1","8.4.0-beta1","8.4.0-rc1","8.4.0-rc2","8.4.1","8.4.2","8.4.3","8.4.4","8.4.5","8.4.6","8.4.7","8.4.8","8.5.0","8.5.0-alpha1","8.5.0-beta1","8.5.0-rc1","8.5.1","8.5.10","8.5.11","8.5.12","8.5.13","8.5.14","8.5.15","8.5.2","8.5.3","8.5.4","8.5.5","8.5.6","8.5.7","8.5.8","8.5.9","8.6.0","8.6.0-alpha1","8.6.0-beta1","8.6.0-beta2","8.6.0-rc1","8.6.1","8.6.10","8.6.11","8.6.12","8.6.13","8.6.14","8.6.15","8.6.16","8.6.17","8.6.18","8.6.2","8.6.3","8.6.4","8.6.5","8.6.6","8.6.7","8.6.8","8.6.9","8.7.0","8.7.0-alpha1","8.7.0-alpha2","8.7.0-beta1","8.7.0-beta2","8.7.0-rc1","8.7.1","8.7.10","8.7.11","8.7.12","8.7.13","8.7.14","8.7.2","8.7.3","8.7.4","8.7.5","8.7.6","8.7.7","8.7.8","8.7.9","8.8.0","8.8.0-alpha1","8.8.0-beta1","8.8.0-rc1","8.8.1","8.8.10","8.8.11","8.8.12","8.8.2","8.8.3","8.8.4","8.8.5","8.8.6","8.8.7","8.8.8","8.8.9","8.9.0","8.9.0-beta1","8.9.0-beta2","8.9.0-beta3","8.9.0-rc1","8.9.1","8.9.10","8.9.11","8.9.12","8.9.13","8.9.14","8.9.15","8.9.16","8.9.17","8.9.18","8.9.19","8.9.2","8.9.20","8.9.3","8.9.4","8.9.5","8.9.6","8.9.7","8.9.8","8.9.9","9.0.0","9.0.0-alpha1","9.0.0-alpha2","9.0.0-beta1","9.0.0-beta2","9.0.0-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core"}],"references":[{"url":"https://www.drupal.org/sa-core-2026-007","tags":["Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55806","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-vwxh-w8pq-6q99"},{"url":"https://git.drupalcode.org/project/drupal","tags":["web"]},{"url":"https://www.drupal.org/project/drupal","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55806.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-55806","title":"Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-007","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.","status":"published","published":"2026-07-10T21:46:39.92Z","modified":"2026-07-13T18:22:03.916Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:20:11.925815Z"}],"euvd":[{"id":"EUVD-2026-43083","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.","status":"published","published":"2026-07-10T21:46:39Z","modified":"2026-07-13T18:22:03Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:20:00.696533Z"}],"ghsa":[{"id":"GHSA-vwxh-w8pq-6q99","title":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows...","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.","status":"published","published":"2026-07-11T00:31:48Z","modified":"2026-07-13T21:32:22Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:09:26.474991Z"}],"nvd":[{"id":"CVE-2026-55806","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.","status":"published","published":"2026-07-10T22:16:43.46Z","modified":"2026-10-25T15:10:00.147Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:12:28.771746Z"}],"osv":[{"id":"CVE-2026-55806","title":"Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-007","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.","status":"published","published":"2026-07-10T21:46:39.92Z","modified":"2026-10-28T02:31:09.479637824Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:45:11.609219Z"},{"id":"BIT-drupal-2026-55806","title":"Drupal core - Less critical - Cache poisoning and open redirect - SA-CORE-2026-007","description":"URL Redirection to Untrusted Site ('Open Redirect') vulnerability in Drupal Drupal core allows Content Spoofing. This issue affects Drupal core versions: from 0.0.0 to 10.5.12, from 10.6.0 to 10.6.11, from 11.2.0 to 11.2.14, from 11.3.0 to 11.3.12, from 0.0.0 to 11.0.*, from 0.0.0 to 11.1.*.","status":"published","published":"2026-07-19T23:39:40.109Z","modified":"2026-09-08T08:46:15.752451266Z","updated_at":"2026-11-02T15:28:29.563843Z"},{"id":"DRUPAL-CORE-2026-007","description":"Drupal core ships a `rebuild.php` front controller that can be used to rebuild Drupal (clearing the caches and rebuilding the container) when the site is in an unexpected condition.\n\nThis script doesn't correctly check the Host header against the list of trusted host patterns. This could result in cache poisoning or a redirect to an attacker-controlled domain.","status":"published","published":"2026-06-17T18:57:37Z","modified":"2026-09-10T03:45:20.385208549Z","updated_at":"2026-11-02T15:46:13.900249Z"}]}}