CVE-2026-78145

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:ctfd:ctfd:*:*:*:*:*:*:*:*"], "product": "CTFd", "vendor": "n/a", "versions": [{"status": "affected", "version": "3.8.0"}, {"status": "affected", "version": "3.8.1"}, {"status": "affected", "version": "3.8.2"}, {"status": "affected", "version": "3.8.3"}, {"status": "affected", "version": "3.8.4"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability has been found in CTFd up to 3.8.4. The affected element is the function _is_safe_url of the file CTFd/utils/validators/__init__.py. Such manipulation of the argument Next leads to open redirect. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 5d8515842fd1ab2c3a9f2dde9ffca907aa334ea9. Upgrading the affected component is recommended."}, {"lang": "es", "value": "Se ha encontrado una vulnerabilidad en CTFd hasta 3.8.4. El elemento afectado es la funci\u00f3n _is_safe_url del archivo CTFd/utils/validators/__init__.py. Dicha manipulaci\u00f3n del argumento Next conduce a una redirecci\u00f3n abierta. El ataque puede lanzarse de forma remota. El exploit ha sido divulgado al p\u00fablico y puede ser utilizado. El nombre del parche es 5d8515842fd1ab2c3a9f2dde9ffca907aa334ea9. Se recomienda actualizar el componente afectado."}], "id": "CVE-2026-78145", "lastModified": "2026-10-14T13:10:00.187", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "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": 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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-78145", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-24T18:12:32.793400Z", "version": "2.0.3"}}]}, "published": "2026-08-23T23:16:46.043", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/CTFd/CTFd/"}, {"source": "cna@vuldb.com", "url": "https://github.com/CTFd/CTFd/commit/5d8515842fd1ab2c3a9f2dde9ffca907aa334ea9"}, {"source": "cna@vuldb.com", "url": "https://github.com/CTFd/CTFd/pull/3026"}, {"source": "cna@vuldb.com", "url": "https://github.com/CTFd/CTFd/releases/tag/3.8.4"}, {"source": "cna@vuldb.com", "url": "https://mblunt.dev/writeups/ctfd-open-redirect/"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-78145"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/882469"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/394533"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/394533/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-601"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

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