CVE-2026-34367

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{"affected": [{"affectedData": [{"product": "InvoiceShelf", "vendor": "InvoiceShelf", "versions": [{"status": "affected", "version": "< 2.2.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:invoiceshelf:invoiceshelf:*:*:*:*:*:*:*:*", "matchCriteriaId": "DF850775-DE65-40B0-9079-B1ABA4F1F4C9", "versionEndExcluding": "2.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "InvoiceShelf is an open-source web & mobile app that helps track expenses, payments and create professional invoices and estimates. Prior to version 2.2.0, a Server-Side Request Forgery (SSRF) vulnerability exists in the Invoice PDF generation module. User-supplied HTML in the invoice Notes field is passed unsanitised to the Dompdf rendering library, which will fetch any remote resources referenced in the markup. This can be triggered via the PDF preview and email delivery endpoints. This issue has been patched in version 2.2.0."}, {"lang": "es", "value": "InvoiceShelf es una aplicaci\u00f3n web y m\u00f3vil de c\u00f3digo abierto que ayuda a rastrear gastos, pagos y a crear facturas y presupuestos profesionales. Antes de la versi\u00f3n 2.2.0, existe una vulnerabilidad de falsificaci\u00f3n de petici\u00f3n del lado del servidor (SSRF) en el m\u00f3dulo de generaci\u00f3n de PDF de facturas. El HTML proporcionado por el usuario en el campo 'Notas' de la factura se pasa sin sanitizar a la biblioteca de renderizado Dompdf, que recuperar\u00e1 cualquier recurso remoto referenciado en el marcado. Esto puede ser activado a trav\u00e9s de los puntos finales de vista previa de PDF y entrega de correo electr\u00f3nico. Este problema ha sido parcheado en la versi\u00f3n 2.2.0."}], "id": "CVE-2026-34367", "lastModified": "2026-07-24T20:10:00.147", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 4.7, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 5.8, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-34367", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-03T16:25:03.150520Z", "version": "2.0.3"}}]}, "published": "2026-03-31T21:16:29.687", "references": [{"source": "security-advisories@github.com", "tags": ["Product"], "url": "https://github.com/InvoiceShelf/InvoiceShelf/releases/tag/2.2.0"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-q9wx-ggwq-mcgh"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.2.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "InvoiceShelf", "source": "cna", "vendor": "InvoiceShelf"}, "product": "invoiceshelf", "vendor": "invoiceshelf"}], "analysis": {"en": {"generated_at": "2026-04-09T21:28:16.869118+00:00", "value": {"mitigation_remediation": ["Check that the InvoiceShelf instance is running a version newer than 2.2.0; if not, plan and execute a timely upgrade to the latest release."], "summary": {"action": "Patch Immediately", "impact": "Remote Server\u2011Side Request Forgery"}, "threat_synthesis": {"affected_systems": "Invoices managed using the open\u2011source InvoiceShelf application are affected when running any version earlier than 2.2.0. The problem is resolved in the 2.2.0 release, as indicated by the vendor\u2019s security advisory.", "description_and_impact": "The vulnerability allows user\u2011supplied, unsanitised HTML in the Notes field of an invoice to be rendered by the Dompdf library, which can fetch any remote resources referenced in the markup. This permits an attacker to force the server to make arbitrary outbound HTTP requests to internal or external addresses, potentially exposing sensitive data, accessing privileged services, or facilitating further attacks. The weakness corresponds to the Server\u2011Side Request Forgery category (CWE\u2011918).", "risk_and_exploitability": "The CVSS score of 7.6 assigns this issue a high severity rating, while an EPSS score below 1% suggests a low probability of spontaneous exploitation in current threat data. It is not listed in the CISA Known Exploited Vulnerabilities catalog. The description implies that the attack vector would involve accessing the PDF preview or email sending endpoints, though any authentication or permission prerequisites are not explicitly documented."}}}}, "created": "2026-04-02T07:52:58.559894+00:00", "updated": "2026-04-10T09:45:57.140330+00:00", "vendors": ["invoiceshelf", "invoiceshelf$PRODUCT$invoiceshelf"]}