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Vulnerability details: VCID-5tzm-738x-xka9
Vulnerability ID VCID-5tzm-738x-xka9
Aliases CVE-2026-32263
GHSA-qx2q-q59v-wf3j
Summary Craft CMS vulnerable to behavior injection RCE via EntryTypesController The fix for GHSA-7jx7-3846-m7w7 (commit 395c64f0b80b507be1c862a2ec942eaacb353748) only patched `src/services/Fields.php`, but the same vulnerable pattern exists in `EntryTypesController::actionApplyOverrideSettings()`. In `src/controllers/EntryTypesController.php` lines 381-387: ```php $settingsStr = $this->request->getBodyParam('settings'); parse_str($settingsStr, $postedSettings); $settingsNamespace = $this->request->getRequiredBodyParam('settingsNamespace'); $settings = array_filter(ArrayHelper::getValue($postedSettings, $settingsNamespace, [])); if (!empty($settings)) { Craft::configure($entryType, $settings); ``` The `$settings` array from `parse_str` is passed directly to `Craft::configure()` without `Component::cleanseConfig()`. This allows injecting Yii2 behavior/event handlers via `as ` or `on ` prefixed keys, the same attack vector as the original advisory. You need Craft control panel administrator permissions, and `allowAdminChanges` must be enabled for this to work. An attacker can use the same gadget chain from the original advisory to achieve RCE. Users should update to Craft 5.9.11 to mitigate the issue.
Status Published
Exploitability None
Weighted Severity None
Risk None
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-470 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2026-32263
cvssv4 8.6 https://github.com/craftcms/cms
generic_textual HIGH https://github.com/craftcms/cms
cvssv4 8.6 https://github.com/craftcms/cms/commit/d37389dbffafa565143be40a2ab1e1db22a863f7
generic_textual HIGH https://github.com/craftcms/cms/commit/d37389dbffafa565143be40a2ab1e1db22a863f7
ssvc Track https://github.com/craftcms/cms/commit/d37389dbffafa565143be40a2ab1e1db22a863f7
cvssv4 8.6 https://github.com/craftcms/cms/security/advisories/GHSA-7jx7-3846-m7w7
generic_textual HIGH https://github.com/craftcms/cms/security/advisories/GHSA-7jx7-3846-m7w7
ssvc Track https://github.com/craftcms/cms/security/advisories/GHSA-7jx7-3846-m7w7
cvssv4 8.6 https://github.com/craftcms/cms/security/advisories/GHSA-qx2q-q59v-wf3j
generic_textual HIGH https://github.com/craftcms/cms/security/advisories/GHSA-qx2q-q59v-wf3j
ssvc Track https://github.com/craftcms/cms/security/advisories/GHSA-qx2q-q59v-wf3j
cvssv4 8.6 https://nvd.nist.gov/vuln/detail/CVE-2026-32263
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2026-32263
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-32263
https://github.com/craftcms/cms
https://github.com/craftcms/cms/commit/d37389dbffafa565143be40a2ab1e1db22a863f7
https://github.com/craftcms/cms/security/advisories/GHSA-qx2q-q59v-wf3j
https://nvd.nist.gov/vuln/detail/CVE-2026-32263
GHSA-7jx7-3846-m7w7 https://github.com/craftcms/cms/security/advisories/GHSA-7jx7-3846-m7w7
GHSA-qx2q-q59v-wf3j https://github.com/advisories/GHSA-qx2q-q59v-wf3j
No exploits are available.
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://github.com/craftcms/cms
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://github.com/craftcms/cms/commit/d37389dbffafa565143be40a2ab1e1db22a863f7
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-03-17T15:21:06Z/ Found at https://github.com/craftcms/cms/commit/d37389dbffafa565143be40a2ab1e1db22a863f7
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://github.com/craftcms/cms/security/advisories/GHSA-7jx7-3846-m7w7
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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physical

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Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-03-17T15:21:06Z/ Found at https://github.com/craftcms/cms/security/advisories/GHSA-7jx7-3846-m7w7
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://github.com/craftcms/cms/security/advisories/GHSA-qx2q-q59v-wf3j
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

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Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-03-17T15:21:06Z/ Found at https://github.com/craftcms/cms/security/advisories/GHSA-qx2q-q59v-wf3j
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-32263
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

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present

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Exploit Prediction Scoring System (EPSS)
Percentile 0.15322
EPSS Score 0.00048
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T17:00:16.810299+00:00 GithubOSV Importer Import https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-qx2q-q59v-wf3j/GHSA-qx2q-q59v-wf3j.json 38.6.0