{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86274", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-06T13:16:19.380Z", "datePublished": "2026-09-07T05:15:11.895Z", "dateUpdated": "2026-09-07T05:15:11.895Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-09-07T05:15:11.895Z"}, "title": "projeto-siga Authentication Flow ExAutenticacaoController.java ExAutenticacaoController.autenticar authorization", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-862", "lang": "en", "description": "Missing Authorization"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-863", "lang": "en", "description": "Incorrect Authorization"}]}], "affected": [{"vendor": "projeto-siga", "product": "siga", "versions": [{"version": "11.0.2.0", "status": "affected"}, {"version": "11.0.2.1", "status": "affected"}, {"version": "11.0.2.2", "status": "affected"}, {"version": "11.0.2.3", "status": "affected"}, {"version": "11.0.2.4", "status": "affected"}, {"version": "11.0.2.5", "status": "affected"}, {"version": "11.0.2.6", "status": "affected"}, {"version": "11.0.2.7", "status": "affected"}, {"version": "11.0.2.8", "status": "affected"}, {"version": "11.0.2.9", "status": "affected"}, {"version": "11.0.2.10", "status": "affected"}, {"version": "11.0.2.11", "status": "affected"}, {"version": "11.0.2.12", "status": "affected"}, {"version": "11.0.2.13", "status": "affected"}, {"version": "11.1.0", "status": "affected"}, {"version": "11.1.1", "status": "affected"}], "cpes": ["cpe:2.3:a:projeto-siga:siga:*:*:*:*:*:*:*:*"], "modules": ["Authentication Flow"]}], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in projeto-siga siga up to 11.0.2.10/11.0.2.13/11.1.1. This affects the function ExAutenticacaoController.autenticar of the file sigaex/src/main/java/br/gov/jfrj/siga/vraptor/ExAutenticacaoController.java of the component Authentication Flow. Such manipulation of the argument cod/jwt leads to missing authorization. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet."}], "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:N/VA:N/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 5.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 5, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-09-06T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-09-06T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-09-06T15:21:25.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "volksec (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/399435", "name": "VDB-399435 | projeto-siga Authentication Flow ExAutenticacaoController.java ExAutenticacaoController.autenticar authorization", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/399435/cti", "name": "VDB-399435 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-86274", "name": "CVE-2026-86274 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/904871", "name": "Submit #904871 | projeto-siga siga 11.0.2.10 through 11.1.1 authorization bypass", "tags": ["third-party-advisory"]}, {"url": "https://github.com/projeto-siga/siga/issues/2493", "tags": ["exploit", "issue-tracking"]}, {"url": "https://github.com/projeto-siga/siga/", "tags": ["product"]}], "x_generator": ["VulDB PVTS v202609"]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:projeto-siga:siga:*:*:*:*:*:*:*:*"], "modules": ["Authentication Flow"], "product": "siga", "vendor": "projeto-siga", "versions": [{"status": "affected", "version": "11.0.2.0"}, {"status": "affected", "version": "11.0.2.1"}, {"status": "affected", "version": "11.0.2.2"}, {"status": "affected", "version": "11.0.2.3"}, {"status": "affected", "version": "11.0.2.4"}, {"status": "affected", "version": "11.0.2.5"}, {"status": "affected", "version": "11.0.2.6"}, {"status": "affected", "version": "11.0.2.7"}, {"status": "affected", "version": "11.0.2.8"}, {"status": "affected", "version": "11.0.2.9"}, {"status": "affected", "version": "11.0.2.10"}, {"status": "affected", "version": "11.0.2.11"}, {"status": "affected", "version": "11.0.2.12"}, {"status": "affected", "version": "11.0.2.13"}, {"status": "affected", "version": "11.1.0"}, {"status": "affected", "version": "11.1.1"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in projeto-siga siga up to 11.0.2.10/11.0.2.13/11.1.1. This affects the function ExAutenticacaoController.autenticar of the file sigaex/src/main/java/br/gov/jfrj/siga/vraptor/ExAutenticacaoController.java of the component Authentication Flow. Such manipulation of the argument cod/jwt leads to missing authorization. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet."}], "id": "CVE-2026-86274", "lastModified": "2026-09-07T06:17:23.820", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/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": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "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": 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:N/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": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-09-07T06:17:23.820", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/projeto-siga/siga/"}, {"source": "cna@vuldb.com", "url": "https://github.com/projeto-siga/siga/issues/2493"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-86274"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/904871"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/399435"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/399435/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}, {"lang": "en", "value": "CWE-863"}], "source": "cna@vuldb.com", "type": "Primary"}]}

{}

{"created": "2026-09-07T06:30:17.306633+00:00", "title": "Missing Authorization via Manipulated cod/jwt in ExAutenticacaoController", "updated": "2026-09-07T06:30:17.306639+00:00", "vendors": []}