{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31867", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-09T19:02:25.013Z", "datePublished": "2026-03-11T17:52:18.298Z", "dateUpdated": "2026-03-12T13:49:48.940Z"}, "containers": {"cna": {"title": "Craft Commerce has a Potential IDOR in Commerce carts", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/craftcms/commerce/security/advisories/GHSA-vff3-pqq8-4cpq", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/craftcms/commerce/security/advisories/GHSA-vff3-pqq8-4cpq"}, {"name": "https://github.com/craftcms/commerce/pull/4207", "tags": ["x_refsource_MISC"], "url": "https://github.com/craftcms/commerce/pull/4207"}], "affected": [{"vendor": "craftcms", "product": "commerce", "versions": [{"version": ">= 4.0.0, < 4.11.0", "status": "affected"}, {"version": ">= 5.0.0, < 5.6.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-11T17:52:18.298Z"}, "descriptions": [{"lang": "en", "value": "Craft Commerce is an ecommerce platform for Craft CMS. Prior to 4.11.0 and 5.6.0, An Insecure Direct Object Reference (IDOR) vulnerability exists in Craft Commerce\u2019s cart functionality that allows users to hijack any shopping cart by knowing or guessing its 32-character number. The CartController accepts a user-supplied number parameter to load and modify shopping carts. No ownership validation is performed - the code only checks if the order exists and is incomplete, not whether the requester has authorization to access it. This vulnerability enables the takeover of shopping sessions and potential exposure of PII. This vulnerability is fixed in 4.11.0 and 5.6.0."}], "source": {"advisory": "GHSA-vff3-pqq8-4cpq", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-12T13:49:40.560500Z", "id": "CVE-2026-31867", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-12T13:49:48.940Z"}}]}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0,4.11.0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0,5.6.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "commerce", "source": "cna", "vendor": "craftcms"}, "product": "commerce", "vendor": "craftcms"}], "analysis": {"en": {"generated_at": "2026-03-17T17:09:01.806092+00:00", "value": {"mitigation_remediation": ["Update Craft Commerce to version 4.11.0 or later, or version 5.6.0 or later."], "summary": {"action": "Patch Now", "impact": "Unauthorized Cart Access and PII Exposure"}, "threat_synthesis": {"affected_systems": "The flaw is present in all versions of CraftCommerce before 4.11.0 and 5.6.0. The affected product is CraftCMS:Commerce, which is identified in the CPE as cpe:2.3:a:craftcms:craft_commerce:*:*:*:*:*:craft_cms:*:*. Any deployment running one of the affected versions is vulnerable.", "description_and_impact": "This vulnerability is an Insecure Direct Object Reference in Craft Commerce\u2019s cart functionality. The CartController accepts a user-supplied 32-character cart number and loads the corresponding cart without verifying ownership. As a result, an attacker who knows or can guess a cart ID can hijack that session, modify the cart contents, and potentially access or expose personally identifiable information. The weakness is classified as CWE\u2011639, an Information Exposure through IDOR.", "risk_and_exploitability": "The CVSS score of 6.3 indicates moderate severity, while the EPSS score of less than 1% shows a low likelihood of automated exploitation at present. The vulnerability is not listed in the CISA KEV catalog, suggesting it has not been widely exploited publicly. Attackers gain access by sending a crafted HTTP request containing a cart number; no additional authentication is required beyond knowing or guessing a valid ID. The risk is therefore moderate due to the potential for PII exposure and the straightforward exploitation path, but it is tempered by the low probability of exploitation and lack of widespread advisories."}}}}, "created": "2026-03-12T09:57:31.054184+00:00", "updated": "2026-03-20T15:30:07.396133+00:00", "vendors": ["craftcms", "craftcms$PRODUCT$commerce"]}