{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91765", "assignerOrgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b", "state": "PUBLISHED", "assignerShortName": "php", "dateReserved": "2026-09-15T00:34:01.883Z", "datePublished": "2026-09-25T20:33:03.634Z", "dateUpdated": "2026-09-25T20:33:03.634Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b", "shortName": "php", "dateUpdated": "2026-09-25T20:33:03.634Z"}, "title": "SOAP: Unbounded Recursion in Server-Side cleanup_xml_node", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-674", "description": "CWE-674", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-230", "descriptions": [{"lang": "en", "value": "CAPEC-230 Serialized Data with Nested Payloads"}]}], "affected": [{"vendor": "PHP Group", "product": "PHP", "packageName": "ext-soap", "versions": [{"status": "affected", "version": "8.2.*", "lessThan": "8.2.34", "versionType": "semver"}, {"status": "affected", "version": "8.3.*", "lessThan": "8.3.35", "versionType": "semver"}, {"status": "affected", "version": "8.4.*", "lessThan": "8.4.26", "versionType": "semver"}, {"status": "affected", "version": "8.5.*", "lessThan": "8.5.11", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "cleanup_xml_node() in the SOAP XML parser recurses once per XML nesting level with no depth limit. An unauthenticated attacker can post a SOAP request containing tens of thousands of nested elements to any SoapServer endpoint, exhaust the stack and crash the process. The same unbounded recursion exists in the SOAP value decoder and in the WSDL node search helper.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p><code>cleanup_xml_node()</code> in the SOAP XML parser recurses once per XML nesting level with no depth limit. An unauthenticated attacker can post a SOAP request containing tens of thousands of nested elements to any <code>SoapServer</code> endpoint, exhaust the stack and crash the process. The same unbounded recursion exists in the SOAP value decoder and in the WSDL node search helper.</p>"}]}], "references": [{"url": "https://github.com/php/php-src/security/advisories/GHSA-rgrp-mwpx-f6rm", "tags": ["vendor-advisory"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "credits": [{"lang": "en", "value": "ExPatch_LLC", "type": "reporter"}, {"lang": "en", "value": "Alexandre Daubois", "type": "remediation developer"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageName": "ext-soap", "product": "PHP", "vendor": "PHP Group", "versions": [{"lessThan": "8.2.34", "status": "affected", "version": "8.2.*", "versionType": "semver"}, {"lessThan": "8.3.35", "status": "affected", "version": "8.3.*", "versionType": "semver"}, {"lessThan": "8.4.26", "status": "affected", "version": "8.4.*", "versionType": "semver"}, {"lessThan": "8.5.11", "status": "affected", "version": "8.5.*", "versionType": "semver"}]}], "source": "security@php.net"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "cleanup_xml_node() in the SOAP XML parser recurses once per XML nesting level with no depth limit. An unauthenticated attacker can post a SOAP request containing tens of thousands of nested elements to any SoapServer endpoint, exhaust the stack and crash the process. The same unbounded recursion exists in the SOAP value decoder and in the WSDL node search helper."}], "id": "CVE-2026-91765", "lastModified": "2026-09-25T21:17:24.550", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@php.net", "type": "Secondary"}]}, "published": "2026-09-25T21:17:24.550", "references": [{"source": "security@php.net", "url": "https://github.com/php/php-src/security/advisories/GHSA-rgrp-mwpx-f6rm"}], "sourceIdentifier": "security@php.net", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-674"}], "source": "security@php.net", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2026:70720", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "php-main-8.5.11-2.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-09-23T00:00:00Z"}], "bugzilla": {"description": "php: php: Denial of Service via unbounded recursion in SOAP parser", "id": "2541646", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541646"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-770", "details": ["A flaw was found in PHP. An unauthenticated remote attacker could cause a Denial of Service (DoS) by sending a specially crafted request to an affected Simple Object Access Protocol (SOAP) server endpoint. Due to a lack of recursion depth limits when parsing deeply nested XML elements, processing such requests exhausts system stack memory and crashes the application process."], "name": "CVE-2026-91765", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "php8.4", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "php:7.4/php", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "php:8.2/php", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "php", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "php:8.2/php", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "php:8.3/php", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "php:8.4/php", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-09-25T20:33:03Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-91765\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-91765\nhttps://github.com/php/php-src/security/advisories/GHSA-rgrp-mwpx-f6rm"], "threat_severity": "Important"}

{"created": "2026-09-25T21:45:17.815852+00:00", "updated": "2026-09-25T21:45:17.815858+00:00", "vendors": []}