{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5607", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-04-05T14:03:44.670Z", "datePublished": "2026-04-06T00:15:13.901Z", "dateUpdated": "2026-04-06T15:04:11.595Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-04-06T00:15:13.901Z"}, "title": "imprvhub mcp-browser-agent URL Parameter handlers.ts CallToolRequestSchema server-side request forgery", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-918", "lang": "en", "description": "Server-Side Request Forgery"}]}], "affected": [{"vendor": "imprvhub", "product": "mcp-browser-agent", "versions": [{"version": "0.1", "status": "affected"}, {"version": "0.2", "status": "affected"}, {"version": "0.3", "status": "affected"}, {"version": "0.4", "status": "affected"}, {"version": "0.5", "status": "affected"}, {"version": "0.6", "status": "affected"}, {"version": "0.7", "status": "affected"}, {"version": "0.8.0", "status": "affected"}], "modules": ["URL Parameter Handler"]}], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in imprvhub mcp-browser-agent up to 0.8.0. This impacts the function CallToolRequestSchema of the file src/handlers.ts of the component URL Parameter Handler. The manipulation of the argument request.params.name/request.params.arguments leads to server-side request forgery. 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": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-04-05T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-04-05T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-04-05T16:08:48.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "feng kairui (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/355398", "name": "VDB-355398 | imprvhub mcp-browser-agent URL Parameter handlers.ts CallToolRequestSchema server-side request forgery", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/355398/cti", "name": "VDB-355398 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/785034", "name": "Submit #785034 | imprvhub mcp-browser-agent 0.8.0 Server-Side Request Forgery", "tags": ["third-party-advisory"]}, {"url": "https://github.com/wing3e/public_exp/issues/25", "tags": ["exploit", "issue-tracking"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-06T15:04:01.296467Z", "id": "CVE-2026-5607", "options": [{"Exploitation": "poc"}, {"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": "2026-04-06T15:04:11.595Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-5607", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-06T15:04:01.296467Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-06T15:04:06.667Z"}}], "cna": {"title": "imprvhub mcp-browser-agent URL Parameter handlers.ts CallToolRequestSchema server-side request forgery", "credits": [{"lang": "en", "type": "reporter", "value": "feng kairui (VulDB User)"}, {"lang": "en", "type": "coordinator", "value": "VulDB CNA Team"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "affected": [{"vendor": "imprvhub", "modules": ["URL Parameter Handler"], "product": "mcp-browser-agent", "versions": [{"status": "affected", "version": "0.1"}, {"status": "affected", "version": "0.2"}, {"status": "affected", "version": "0.3"}, {"status": "affected", "version": "0.4"}, {"status": "affected", "version": "0.5"}, {"status": "affected", "version": "0.6"}, {"status": "affected", "version": "0.7"}, {"status": "affected", "version": "0.8.0"}]}], "timeline": [{"lang": "en", "time": "2026-04-05T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-04-05T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-04-05T16:08:48.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/vuln/355398", "name": "VDB-355398 | imprvhub mcp-browser-agent URL Parameter handlers.ts CallToolRequestSchema server-side request forgery", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/355398/cti", "name": "VDB-355398 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/785034", "name": "Submit #785034 | imprvhub mcp-browser-agent 0.8.0 Server-Side Request Forgery", "tags": ["third-party-advisory"]}, {"url": "https://github.com/wing3e/public_exp/issues/25", "tags": ["exploit", "issue-tracking"]}], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in imprvhub mcp-browser-agent up to 0.8.0. This impacts the function CallToolRequestSchema of the file src/handlers.ts of the component URL Parameter Handler. The manipulation of the argument request.params.name/request.params.arguments leads to server-side request forgery. 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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-918", "description": "Server-Side Request Forgery"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-04-06T00:15:13.901Z"}}}, "cveMetadata": {"cveId": "CVE-2026-5607", "state": "PUBLISHED", "dateUpdated": "2026-04-06T15:04:11.595Z", "dateReserved": "2026-04-05T14:03:44.670Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-04-06T00:15:13.901Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in imprvhub mcp-browser-agent up to 0.8.0. This impacts the function CallToolRequestSchema of the file src/handlers.ts of the component URL Parameter Handler. The manipulation of the argument request.params.name/request.params.arguments leads to server-side request forgery. 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-2026-5607", "lastModified": "2026-04-29T01:00:01.613", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "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": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "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": 2.1, "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": "LOW", "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:L/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": "2026-04-06T01:16:39.817", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/wing3e/public_exp/issues/25"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/785034"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/355398"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/355398/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "cna@vuldb.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "0.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "0.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "0.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "0.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "0.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "0.6"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "0.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "0.8.0"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "mcp-browser-agent", "source": "cna", "vendor": "imprvhub"}, "product": "mcp-browser-agent", "vendor": "imprvhub"}], "analysis": {"en": {"generated_at": "2026-04-06T04:51:34.994405+00:00", "value": {"mitigation_remediation": ["Confirm the installed version of imprvhub mcp\u2011browser\u2011agent and test for the presence of the vulnerable CallToolRequestSchema code.", "Contact the vendor or consult their support channels to determine whether an official fix or update has been issued.", "Apply any vendor\u2011supplied patch or newer release when it becomes available immediately.", "If no patch is reachable, block or tightly restrict outbound HTTP(s) requests originating from the affected component using firewall rules or container network policies.", "Monitor application logs and network traffic for unexpected outbound connections originating from the mcp\u2011browser\u2011agent to detect potential abuse."], "summary": {"action": "Assess Impact", "impact": "Server\u2011Side Request Forgery"}, "threat_synthesis": {"affected_systems": "All copies of imprvhub mcp\u2011browser\u2011agent up to version 0.8.0 are susceptible. The specific impact is limited to the component that processes URL parameters and forwards requests, but the reach of forged requests can cross organizational boundaries.", "description_and_impact": "The flaw resides in the CallToolRequestSchema function of the URL Parameter Handler in the imprvhub mcp\u2011browser\u2011agent. By altering the request parameters \"name\" and \"arguments\", an attacker can cause the server to issue arbitrary outbound HTTP requests. This Server\u2011Side Request Forgery allows a remote actor to reach private networks, exfiltrate data, or redirect traffic to malicious destinations, all without authentication.", "risk_and_exploitability": "The CVSS base score of 5.3 indicates moderate severity. The exploit is publicly disclosed and can be executed remotely by sending crafted parameters; no authentication or privileged access is required. EPSS data is absent, and the flaw is not listed in the CISA KEV catalog, yet the availability of a public exploit and the remote nature of the attack keep the risk notable."}}}}, "created": "2026-04-06T20:21:49.658902+00:00", "updated": "2026-04-06T21:47:38.511338+00:00", "vendors": ["imprvhub", "imprvhub$PRODUCT$mcp-browser-agent"]}