{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-57196", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-24T02:00:46.800Z", "datePublished": "2026-10-26T19:27:35.360Z", "dateUpdated": "2026-10-26T20:13:49.872Z"}, "containers": {"cna": {"title": "Asterisk: Reflected XSS in Phone Provisioning HTTP Error Pages", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2.3, "baseSeverity": "LOW", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/asterisk/asterisk/security/advisories/GHSA-4pgv-j3mr-3rcp", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-4pgv-j3mr-3rcp"}, {"name": "https://github.com/asterisk/asterisk/commit/4373f8174bf71c467fc9db96036126d30425b9e8", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/4373f8174bf71c467fc9db96036126d30425b9e8"}, {"name": "https://github.com/asterisk/asterisk/commit/4b360a61d649a7c12b1021aa554642322ee28c10", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/4b360a61d649a7c12b1021aa554642322ee28c10"}, {"name": "https://github.com/asterisk/asterisk/commit/60c23d8b56b2cf93caceb527e07654b16f388343", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/60c23d8b56b2cf93caceb527e07654b16f388343"}, {"name": "https://github.com/asterisk/asterisk/commit/87399593cda601ae3670bf890bdb32f78e881bf3", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/87399593cda601ae3670bf890bdb32f78e881bf3"}, {"name": "https://github.com/asterisk/asterisk/commit/9cff8e62fbd9e7db87c233de3335047df88877d0", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/9cff8e62fbd9e7db87c233de3335047df88877d0"}, {"name": "https://github.com/asterisk/asterisk/commit/dc43c5b32a3a216da4c9e95388fbadaca3e78bc8", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/dc43c5b32a3a216da4c9e95388fbadaca3e78bc8"}, {"name": "https://github.com/asterisk/asterisk/commit/e6998409f73f49959d0062c695bb9a2f611af5ac", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/commit/e6998409f73f49959d0062c695bb9a2f611af5ac"}, {"name": "https://github.com/asterisk/asterisk/releases/tag/20.20.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/releases/tag/20.20.1"}, {"name": "https://github.com/asterisk/asterisk/releases/tag/21.12.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/releases/tag/21.12.3"}, {"name": "https://github.com/asterisk/asterisk/releases/tag/22.10.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/releases/tag/22.10.1"}, {"name": "https://github.com/asterisk/asterisk/releases/tag/23.4.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/releases/tag/23.4.1"}, {"name": "https://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11"}, {"name": "https://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3"}, {"name": "https://github.com/asterisk/asterisk/tree/24.0.0-pre1", "tags": ["x_refsource_MISC"], "url": "https://github.com/asterisk/asterisk/tree/24.0.0-pre1"}], "affected": [{"vendor": "asterisk", "product": "asterisk", "versions": [{"version": "< 20.20.1", "status": "affected"}, {"version": ">= 21.0.0-pre1, < 21.12.3", "status": "affected"}, {"version": ">= 22.0.0-pre1, < 22.10.1", "status": "affected"}, {"version": ">= 23.0.0-pre1, < 23.4.1", "status": "affected"}]}, {"vendor": "asterisk", "product": "certified-asterisk", "versions": [{"version": "< 20.7-cert11", "status": "affected"}, {"version": ">= 22.8-cert1-pre1, < 22.8-cert3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-26T19:27:35.360Z"}, "descriptions": [{"lang": "en", "value": "Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an unauthenticated attacker may use reflected cross-site scripting in `phone provisioning HTTP error pages` to retrieve an authorized user's `AMI session cookie` and impersonate that user when `res_phoneprov` is enabled. The Asterisk HTTP web server, Asterisk Manager Interface (AMI), and AMI access via HTTP must all be enabled; each is disabled by default. The attacker must be able to connect to the HTTP server, which binds only to `127.0.0.1` by default even when enabled, and must convince the authorized user to click a malicious link. This issue is fixed in Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3."}], "source": {"advisory": "GHSA-4pgv-j3mr-3rcp", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-26T19:44:31.470203Z", "id": "CVE-2026-57196", "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": "2026-10-26T20:13:49.872Z"}}]}}

{}

{"affected": [{"affectedData": [{"product": "asterisk", "vendor": "asterisk", "versions": [{"status": "affected", "version": "< 20.20.1"}, {"status": "affected", "version": ">= 21.0.0-pre1, < 21.12.3"}, {"status": "affected", "version": ">= 22.0.0-pre1, < 22.10.1"}, {"status": "affected", "version": ">= 23.0.0-pre1, < 23.4.1"}]}, {"product": "certified-asterisk", "vendor": "asterisk", "versions": [{"status": "affected", "version": "< 20.7-cert11"}, {"status": "affected", "version": ">= 22.8-cert1-pre1, < 22.8-cert3"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Asterisk is an open source private branch exchange and telephony toolkit. Prior to Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3, an unauthenticated attacker may use reflected cross-site scripting in `phone provisioning HTTP error pages` to retrieve an authorized user's `AMI session cookie` and impersonate that user when `res_phoneprov` is enabled. The Asterisk HTTP web server, Asterisk Manager Interface (AMI), and AMI access via HTTP must all be enabled; each is disabled by default. The attacker must be able to connect to the HTTP server, which binds only to `127.0.0.1` by default even when enabled, and must convince the authorized user to click a malicious link. This issue is fixed in Asterisk 20.20.1, 21.12.3, 22.10.1, 23.4.1 and Certified Asterisk 20.7-cert11, 22.8-cert3."}], "id": "CVE-2026-57196", "lastModified": "2026-10-26T20:17:57.047", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.3, "baseSeverity": "LOW", "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": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/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": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-26T20:17:57.047", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/4373f8174bf71c467fc9db96036126d30425b9e8"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/4b360a61d649a7c12b1021aa554642322ee28c10"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/60c23d8b56b2cf93caceb527e07654b16f388343"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/87399593cda601ae3670bf890bdb32f78e881bf3"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/9cff8e62fbd9e7db87c233de3335047df88877d0"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/dc43c5b32a3a216da4c9e95388fbadaca3e78bc8"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/commit/e6998409f73f49959d0062c695bb9a2f611af5ac"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/20.20.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/21.12.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/22.10.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/23.4.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/certified-20.7-cert11"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/releases/tag/certified-22.8-cert3"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/security/advisories/GHSA-4pgv-j3mr-3rcp"}, {"source": "security-advisories@github.com", "url": "https://github.com/asterisk/asterisk/tree/24.0.0-pre1"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-26T20:30:15.337149+00:00", "updated": "2026-10-26T20:30:15.337155+00:00", "vendors": []}