CVE-2026-63430

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This issue is fixed in versions 3.3.2, 4.0.2, and 4.1.3."}], "source": {"advisory": "GHSA-9jh8-v38h-cvhr", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/rust-ammonia/ammonia/security/advisories/GHSA-9jh8-v38h-cvhr", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-15T20:24:18.831464Z", "id": "CVE-2026-63430", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"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": "2026-10-15T20:25:49.464Z"}}]}}

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An attacker can use that namespace transition and an allowed raw-text HTML element to execute JavaScript when a user renders the sanitized output. The required tags are not enabled by default, so applications that do not explicitly allow them are not affected. This issue is fixed in versions 3.3.2, 4.0.2, and 4.1.3."}], "id": "CVE-2026-63430", "lastModified": "2026-10-16T16:00:33.533", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-63430", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T20:24:18.831464Z", "version": "2.0.3"}}]}, "published": "2026-10-15T19:17:42.367", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/rust-ammonia/ammonia/commit/004bf2cee4288f74a6ee619d589e3e90c24c09ca"}, {"source": "security-advisories@github.com", "url": "https://github.com/rust-ammonia/ammonia/commit/7ac3fd3145236f28857eeecbadb544c8659cba31"}, {"source": "security-advisories@github.com", "url": "https://github.com/rust-ammonia/ammonia/commit/b51bf4f9749ed3cd518330105f20a2c39c9ee274"}, {"source": "security-advisories@github.com", "url": "https://github.com/rust-ammonia/ammonia/pull/243"}, {"source": "security-advisories@github.com", "url": "https://github.com/rust-ammonia/ammonia/pull/244"}, {"source": "security-advisories@github.com", "url": "https://github.com/rust-ammonia/ammonia/pull/245"}, {"source": "security-advisories@github.com", "url": "https://github.com/rust-ammonia/ammonia/releases/tag/v3.3.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/rust-ammonia/ammonia/releases/tag/v4.0.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/rust-ammonia/ammonia/releases/tag/v4.1.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/rust-ammonia/ammonia/security/advisories/GHSA-9jh8-v38h-cvhr"}, {"source": "security-advisories@github.com", "url": "https://ivan09999.github.io/ammonia-mxss"}, {"source": "security-advisories@github.com", "url": "https://rustsec.org/advisories/RUSTSEC-2026-0193.html"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/rust-ammonia/ammonia/security/advisories/GHSA-9jh8-v38h-cvhr"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "ammonia: ammonia: Cross-site scripting via improper MathML namespace handling", "id": "2553658", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2553658"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-79", "details": ["A flaw was found in ammonia. This vulnerability allows a remote attacker to conduct cross-site scripting (XSS) by submitting specially crafted markup to an application configured to permit specific Mathematical Markup Language (MathML) tags and raw-text elements. Because ammonia does not correctly handle namespace parsing changes after removing tag attributes, the sanitized output is reinterpreted differently by the web browser. Consequently, an attacker can execute arbitrary JavaScript in the context of a user's browser session when the output is rendered."], "name": "CVE-2026-63430", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_orchestrator:2026.8", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform/automation-orchestrator-backend-rhel9", "product_name": "Ansible Automation Orchestrator 2026"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-26/controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-26/eda-controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-26/gateway-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-26/hub-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-27/controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-27/eda-controller-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-27/gateway-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-27/hub-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-27/metrics-service-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Out of support scope", "package_name": "ansible-automation-platform/automation-dashboard-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "ansible-automation-platform-tech-preview/metrics-service-rhel9", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "python3.11-nh3", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/a:redhat:ansible_automation_platform:2", "fix_state": "Fix deferred", "package_name": "python3.12-nh3", "product_name": "Red Hat Ansible Automation Platform 2"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "rust", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "rust-toolset:rhel8/rust", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "rust", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Fix deferred", "package_name": "python3.12-nh3", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-10-15T18:10:35Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-63430\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-63430\nhttps://github.com/rust-ammonia/ammonia/commit/004bf2cee4288f74a6ee619d589e3e90c24c09ca\nhttps://github.com/rust-ammonia/ammonia/commit/7ac3fd3145236f28857eeecbadb544c8659cba31\nhttps://github.com/rust-ammonia/ammonia/commit/b51bf4f9749ed3cd518330105f20a2c39c9ee274\nhttps://github.com/rust-ammonia/ammonia/pull/243\nhttps://github.com/rust-ammonia/ammonia/pull/244\nhttps://github.com/rust-ammonia/ammonia/pull/245\nhttps://github.com/rust-ammonia/ammonia/releases/tag/v3.3.2\nhttps://github.com/rust-ammonia/ammonia/releases/tag/v4.0.2\nhttps://github.com/rust-ammonia/ammonia/releases/tag/v4.1.3\nhttps://github.com/rust-ammonia/ammonia/security/advisories/GHSA-9jh8-v38h-cvhr\nhttps://ivan09999.github.io/ammonia-mxss\nhttps://rustsec.org/advisories/RUSTSEC-2026-0193.html"], "threat_severity": "Moderate"}

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