CVE-2026-55806

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.*.

CVSS v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.drupal.org/sa-core-2026-007	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:drupal:drupal::::::::
	cpe:2.3:a:drupal:drupal::::::::
	cpe:2.3:a:drupal:drupal::::::::
	cpe:2.3:a:drupal:drupal::::::::

History

16 Jul 2026, 15:26

Type	Values Removed	Values Added
First Time		Drupal Drupal drupal
CPE		cpe:2.3:a:drupal:drupal::::::::
References	~~() https://www.drupal.org/sa-core-2026-007 -~~	() https://www.drupal.org/sa-core-2026-007 - Vendor Advisory

13 Jul 2026, 19:17

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.9

10 Jul 2026, 22:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-10 22:16

Updated : 2026-07-16 15:26

NVD link : CVE-2026-55806

Mitre link : CVE-2026-55806

CVE.ORG link : CVE-2026-55806

JSON object : View

Products Affected

drupal

drupal

CWE

CWE-601

URL Redirection to Untrusted Site ('Open Redirect')

{"id": "CVE-2026-55806", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-55806", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-13T18:21:46.004176Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "affected": [{"source": "mlhess@drupal.org", "affectedData": [{"repo": "https://git.drupalcode.org/project/drupal", "vendor": "Drupal", "product": "Drupal core", "versions": [{"status": "affected", "version": "0.0.0", "lessThan": "10.5.12", "versionType": "semver"}, {"status": "affected", "version": "10.6.0", "lessThan": "10.6.11", "versionType": "semver"}, {"status": "affected", "version": "11.2.0", "lessThan": "11.2.14", "versionType": "semver"}, {"status": "affected", "version": "11.3.0", "lessThan": "11.3.12", "versionType": "semver"}, {"status": "affected", "version": "0.0.0", "lessThan": "11.0.*", "versionType": "semver"}, {"status": "affected", "version": "0.0.0", "lessThan": "11.1.*", "versionType": "semver"}], "collectionURL": "https://www.drupal.org/project/drupal"}]}], "published": "2026-07-10T22:16:43.460", "references": [{"url": "https://www.drupal.org/sa-core-2026-007", "tags": ["Vendor Advisory"], "source": "mlhess@drupal.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "mlhess@drupal.org", "description": [{"lang": "en", "value": "CWE-601"}]}], "descriptions": [{"lang": "en", "value": "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.*."}], "lastModified": "2026-07-16T15:26:23.107", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3FA4556B-0535-4AF9-ADB3-49C1CD13E67B", "versionEndExcluding": "10.5.12"}, {"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6673BC1A-0B59-4919-B50A-7944C57559E0", "versionEndExcluding": "10.6.11", "versionStartIncluding": "10.6.0"}, {"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1A0D6A3D-FCD1-430B-9040-EC8FC5D6BD67", "versionEndExcluding": "11.2.14", "versionStartIncluding": "11.0.0"}, {"criteria": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BCFBEF4A-AE17-46C5-B449-68A04752636A", "versionEndExcluding": "11.3.12", "versionStartIncluding": "11.3.0"}], "operator": "OR"}]}], "sourceIdentifier": "mlhess@drupal.org"}