{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-102771", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-29T16:34:50.898Z", "datePublished": "2026-09-29T22:00:14.241Z", "dateUpdated": "2026-09-29T22:00:14.241Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-29T22:00:14.241Z"}, "title": "Naichen ThinkCMF Email Template MailController.php templatePut special elements in template engine", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-1336", "lang": "en", "description": "Improper Neutralization of Special Elements Used in a Template Engine"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-791", "lang": "en", "description": "Incomplete Filtering of Special Elements"}]}], "affected": [{"vendor": "Naichen", "product": "ThinkCMF", "versions": [{"version": "8.0.0", "status": "affected"}, {"version": "8.0.1", "status": "affected"}, {"version": "8.0.2", "status": "affected"}, {"version": "8.0.3", "status": "affected"}, {"version": "8.0.4", "status": "affected"}, {"version": "8.0.5", "status": "affected"}, {"version": "8.0.6", "status": "affected"}, {"version": "8.0.7", "status": "affected"}], "cpes": ["cpe:2.3:a:thinkcmf:thinkcmf:*:*:*:*:*:*:*:*"], "modules": ["Email Template"]}], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in Naichen ThinkCMF up to 8.0.7. Affected by this issue is the function MailController::templatePut of the file cmf-api/src/admin/controller/MailController.php of the component Email Template. The manipulation leads to improper neutralization of special elements used in a template engine. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 4.7, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 4.7, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5.8, "vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:ND/RC:C"}}], "timeline": [{"time": "2026-09-29T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-09-29T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-09-29T18:40:14.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "BlackSpdier (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/411468", "name": "VDB-411468 | Naichen ThinkCMF Email Template MailController.php templatePut special elements in template engine", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/411468/cti", "name": "VDB-411468 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-102771", "name": "CVE-2026-102771 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/943081", "name": "Submit #943081 | Naichen (Shanghai) Information Technology Co., Ltd. ThinkCMF v8.0.1 Server-Side Template Injection", "tags": ["third-party-advisory"]}, {"url": "https://github.com/coolcj-stack/ThinkCMF-v8.0.1-SSTI-Vulnerability/blob/main/ThinkCMF_Vulnerability_Report_EN.docx", "tags": ["exploit"]}], "x_generator": ["VulDB PVTS v202609"]}}}

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:thinkcmf:thinkcmf:*:*:*:*:*:*:*:*"], "modules": ["Email Template"], "product": "ThinkCMF", "vendor": "Naichen", "versions": [{"status": "affected", "version": "8.0.0"}, {"status": "affected", "version": "8.0.1"}, {"status": "affected", "version": "8.0.2"}, {"status": "affected", "version": "8.0.3"}, {"status": "affected", "version": "8.0.4"}, {"status": "affected", "version": "8.0.5"}, {"status": "affected", "version": "8.0.6"}, {"status": "affected", "version": "8.0.7"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in Naichen ThinkCMF up to 8.0.7. Affected by this issue is the function MailController::templatePut of the file cmf-api/src/admin/controller/MailController.php of the component Email Template. The manipulation leads to improper neutralization of special elements used in a template engine. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."}], "id": "CVE-2026-102771", "lastModified": "2026-09-29T22:17:08.623", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "MULTIPLE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.0, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "HIGH", "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:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-09-29T22:17:08.623", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/coolcj-stack/ThinkCMF-v8.0.1-SSTI-Vulnerability/blob/main/ThinkCMF_Vulnerability_Report_EN.docx"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-102771"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/943081"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/411468"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/411468/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-791"}, {"lang": "en", "value": "CWE-1336"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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