{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-101895", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-09-28T15:55:37.906Z", "datePublished": "2026-10-14T15:00:14.385Z", "dateUpdated": "2026-10-14T17:38:10.017Z"}, "containers": {"cna": {"title": "Angular SSR: Denial of Service (DoS) via Infinite Loop on Malformed DOCTYPE", "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-835", "lang": "en", "description": "CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/angular/angular/security/advisories/GHSA-f67j-2jqw-jpq7", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/angular/angular/security/advisories/GHSA-f67j-2jqw-jpq7"}, {"name": "https://github.com/angular/angular/commit/3db26e2544964d07a520836ad01f02f36ec88e25", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/commit/3db26e2544964d07a520836ad01f02f36ec88e25"}, {"name": "https://github.com/angular/angular/commit/fc2e8fbc0bda2f5c11585e8a0cbd88c074f5e567", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/commit/fc2e8fbc0bda2f5c11585e8a0cbd88c074f5e567"}, {"name": "https://github.com/angular/domino/commit/4d97473116d000e3fd4d6f75ec98cbd67576fa6f", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/domino/commit/4d97473116d000e3fd4d6f75ec98cbd67576fa6f"}, {"name": "https://github.com/angular/angular/releases/tag/v20.3.31", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/releases/tag/v20.3.31"}, {"name": "https://github.com/angular/angular/releases/tag/v21.2.23", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/releases/tag/v21.2.23"}, {"name": "https://github.com/angular/angular/releases/tag/v22.1.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/angular/angular/releases/tag/v22.1.6"}], "affected": [{"vendor": "angular", "product": "angular", "versions": [{"version": "<= 19.2.25", "status": "affected"}, {"version": ">= 20.0.0, < 20.3.31", "status": "affected"}, {"version": ">= 21.0.0, < 21.2.23", "status": "affected"}, {"version": ">= 22.0.0, < 22.1.6", "status": "affected"}]}, {"vendor": "@angular/", "product": "platform-server", "versions": [{"version": "<= 19.2.25", "status": "affected"}, {"version": ">= 20.0.0, < 20.3.31", "status": "affected"}, {"version": ">= 21.0.0, < 21.2.23", "status": "affected"}, {"version": ">= 22.0.0, < 22.1.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-14T15:00:14.385Z"}, "descriptions": [{"lang": "en", "value": "Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.31, 21.2.23, and 22.1.6, the @angular/platform-server DOM emulation parser can enter an infinite synchronous loop when Angular server-side rendering processes attacker-controlled HTML containing an incomplete DOCTYPE that ends with whitespace at end of input. In Domino lib/HTMLParser.js, after_doctype_name_state emits doctype and EOF tokens without advancing nextchar or leaving the fixed-lookahead state, so the scanner repeatedly handles the same EOF marker. A remote unauthenticated attacker can use this condition through server-side HTML parsing paths such as innerHTML binding to consume a Node.js SSR worker at full CPU, starve the event loop, and stop concurrent and subsequent requests. This issue is fixed in versions 20.3.31, 21.2.23, and 22.1.6."}], "source": {"advisory": "GHSA-f67j-2jqw-jpq7", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/angular/angular/security/advisories/GHSA-f67j-2jqw-jpq7", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-14T17:37:35.859234Z", "id": "CVE-2026-101895", "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": "2026-10-14T17:38:10.017Z"}}]}}

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{"affected": [{"affectedData": [{"product": "angular", "vendor": "angular", "versions": [{"status": "affected", "version": "<= 19.2.25"}, {"status": "affected", "version": ">= 20.0.0, < 20.3.31"}, {"status": "affected", "version": ">= 21.0.0, < 21.2.23"}, {"status": "affected", "version": ">= 22.0.0, < 22.1.6"}]}, {"product": "platform-server", "vendor": "@angular/", "versions": [{"status": "affected", "version": "<= 19.2.25"}, {"status": "affected", "version": ">= 20.0.0, < 20.3.31"}, {"status": "affected", "version": ">= 21.0.0, < 21.2.23"}, {"status": "affected", "version": ">= 22.0.0, < 22.1.6"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Angular is a development platform for building mobile and desktop web applications using TypeScript/JavaScript and other languages. Prior to 20.3.31, 21.2.23, and 22.1.6, the @angular/platform-server DOM emulation parser can enter an infinite synchronous loop when Angular server-side rendering processes attacker-controlled HTML containing an incomplete DOCTYPE that ends with whitespace at end of input. In Domino lib/HTMLParser.js, after_doctype_name_state emits doctype and EOF tokens without advancing nextchar or leaving the fixed-lookahead state, so the scanner repeatedly handles the same EOF marker. A remote unauthenticated attacker can use this condition through server-side HTML parsing paths such as innerHTML binding to consume a Node.js SSR worker at full CPU, starve the event loop, and stop concurrent and subsequent requests. This issue is fixed in versions 20.3.31, 21.2.23, and 22.1.6."}], "id": "CVE-2026-101895", "lastModified": "2026-10-14T18:17:10.800", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.7, "baseSeverity": "HIGH", "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": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/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": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-101895", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-14T17:37:35.859234Z", "version": "2.0.3"}}]}, "published": "2026-10-14T15:17:03.370", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/commit/3db26e2544964d07a520836ad01f02f36ec88e25"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/commit/fc2e8fbc0bda2f5c11585e8a0cbd88c074f5e567"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/releases/tag/v20.3.31"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/releases/tag/v21.2.23"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/releases/tag/v22.1.6"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/angular/security/advisories/GHSA-f67j-2jqw-jpq7"}, {"source": "security-advisories@github.com", "url": "https://github.com/angular/domino/commit/4d97473116d000e3fd4d6f75ec98cbd67576fa6f"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://github.com/angular/angular/security/advisories/GHSA-f67j-2jqw-jpq7"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-835"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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