CVE-2026-105238

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-105238", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-10-04T16:15:43.837Z", "datePublished": "2026-10-05T06:15:11.244Z", "dateUpdated": "2026-10-05T13:25:17.390Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-10-05T06:15:11.244Z"}, "title": "ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-918", "lang": "en", "description": "Server-Side Request Forgery"}]}], "affected": [{"vendor": "ChatGPTNextWeb", "product": "NextChat", "versions": [{"version": "2.16.0", "status": "affected"}, {"version": "2.16.1", "status": "affected"}], "cpes": ["cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:*"], "modules": ["Proxy Fallback Handler"]}], "descriptions": [{"lang": "en", "value": "A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This vulnerability affects the function proxyHandler of the file app/api/proxy.ts of the component Proxy Fallback Handler. This manipulation of the argument x-base-url causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 7.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C", "baseSeverity": "HIGH"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 7.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C", "baseSeverity": "HIGH"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C"}}], "timeline": [{"time": "2026-10-04T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-10-04T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-10-04T18:20:49.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "geochen (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/413450", "name": "VDB-413450 | ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/413450/cti", "name": "VDB-413450 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-105238", "name": "CVE-2026-105238 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/975707", "name": "Submit #975707 | https://github.com/ChatGPTNextWeb/ NextChat v2.16.1 Server-Side Request Forgery", "tags": ["third-party-advisory"]}, {"url": "https://github.com/ChatGPTNextWeb/NextChat/issues/6813", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/ChatGPTNextWeb/NextChat/pull/6884", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/ChatGPTNextWeb/NextChat/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202610"]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-05T13:25:09.109096Z", "id": "CVE-2026-105238", "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": "2026-10-05T13:25:17.390Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-105238", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-05T13:25:09.109096Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-05T13:25:13.848Z"}}], "cna": {"title": "ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery", "credits": [{"lang": "en", "type": "reporter", "value": "geochen (VulDB User)"}, {"lang": "en", "type": "coordinator", "value": "VulDB CNA Team"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 6.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 7.3, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 7.3, "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 7.5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C"}}], "affected": [{"cpes": ["cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:*"], "vendor": "ChatGPTNextWeb", "modules": ["Proxy Fallback Handler"], "product": "NextChat", "versions": [{"status": "affected", "version": "2.16.0"}, {"status": "affected", "version": "2.16.1"}]}], "timeline": [{"lang": "en", "time": "2026-10-04T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-10-04T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-10-04T18:20:49.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/vuln/413450", "name": "VDB-413450 | ChatGPTNextWeb NextChat Proxy Fallback proxy.ts proxyHandler server-side request forgery", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/413450/cti", "name": "VDB-413450 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-105238", "name": "CVE-2026-105238 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/975707", "name": "Submit #975707 | https://github.com/ChatGPTNextWeb/ NextChat v2.16.1 Server-Side Request Forgery", "tags": ["third-party-advisory"]}, {"url": "https://github.com/ChatGPTNextWeb/NextChat/issues/6813", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/ChatGPTNextWeb/NextChat/pull/6884", "tags": ["issue-tracking", "patch"]}, {"url": "https://github.com/ChatGPTNextWeb/NextChat/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202610"], "descriptions": [{"lang": "en", "value": "A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This vulnerability affects the function proxyHandler of the file app/api/proxy.ts of the component Proxy Fallback Handler. This manipulation of the argument x-base-url causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-918", "description": "Server-Side Request Forgery"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-10-05T06:15:11.244Z"}}}, "cveMetadata": {"cveId": "CVE-2026-105238", "state": "PUBLISHED", "dateUpdated": "2026-10-05T13:25:17.390Z", "dateReserved": "2026-10-04T16:15:43.837Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-10-05T06:15:11.244Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:nextchat:nextchat:*:*:*:*:*:*:*:*"], "modules": ["Proxy Fallback Handler"], "product": "NextChat", "vendor": "ChatGPTNextWeb", "versions": [{"status": "affected", "version": "2.16.0"}, {"status": "affected", "version": "2.16.1"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw has been found in ChatGPTNextWeb NextChat up to 2.16.1. This vulnerability affects the function proxyHandler of the file app/api/proxy.ts of the component Proxy Fallback Handler. This manipulation of the argument x-base-url causes server-side request forgery. It is possible to initiate the attack remotely. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance."}], "id": "CVE-2026-105238", "lastModified": "2026-10-06T15:04:52.637", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "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": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.5, "baseSeverity": "MEDIUM", "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": "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: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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-105238", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-05T13:25:09.109096Z", "version": "2.0.3"}}]}, "published": "2026-10-05T07:16:30.180", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/ChatGPTNextWeb/NextChat/"}, {"source": "cna@vuldb.com", "url": "https://github.com/ChatGPTNextWeb/NextChat/issues/6813"}, {"source": "cna@vuldb.com", "url": "https://github.com/ChatGPTNextWeb/NextChat/pull/6884"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-105238"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/975707"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/413450"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/413450/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.16.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.16.1"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "NextChat", "source": "cna", "vendor": "ChatGPTNextWeb"}, "product": "nextchat", "vendor": "chatgptnextweb"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "nextchat", "vendor": "nextchat"}], "created": "2026-10-05T08:30:04.719282+00:00", "updated": "2026-10-05T09:45:19.569558+00:00", "vendors": ["chatgptnextweb", "chatgptnextweb$PRODUCT$nextchat", "nextchat", "nextchat$PRODUCT$nextchat"]}