CVE-2026-8784

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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:npitre:cramfs-tools:*:*:*:*:*:*:*:*"], "product": "cramfs-tools", "vendor": "npitre", "versions": [{"status": "affected", "version": "2.0"}, {"status": "affected", "version": "2.1"}, {"status": "affected", "version": "2.2"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in npitre cramfs-tools up to 2.2. Affected is the function change_file_status of the file cramfsck.c. Performing a manipulation results in symlink following. The attack requires a local approach. The exploit is now public and may be used. The patch is named b4a3a695c9873f824907bd15659f2a6ac7667b4f. It is recommended to apply a patch to fix this issue."}, {"lang": "es", "value": "Se detect\u00f3 una vulnerabilidad en npitre cramfs-tools hasta 2.2. La funci\u00f3n change_file_status del archivo cramfsck.c est\u00e1 afectada. Realizar una manipulaci\u00f3n resulta en seguimiento de enlaces simb\u00f3licos. El ataque requiere un enfoque local. El exploit ahora es p\u00fablico y puede ser utilizado. El parche se llama b4a3a695c9873f824907bd15659f2a6ac7667b4f. Se recomienda aplicar un parche para solucionar este problema."}], "id": "CVE-2026-8784", "lastModified": "2026-10-25T23:10:00.167", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "MULTIPLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:M/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 2.5, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 4.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 0.8, "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": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.8, "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": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:H/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-2026-8784", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-18T12:24:11.194480Z", "version": "2.0.3"}}]}, "published": "2026-05-18T04:16:34.247", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/npitre/cramfs-tools/"}, {"source": "cna@vuldb.com", "url": "https://github.com/npitre/cramfs-tools/commit/b4a3a695c9873f824907bd15659f2a6ac7667b4f"}, {"source": "cna@vuldb.com", "url": "https://github.com/npitre/cramfs-tools/issues/13"}, {"source": "cna@vuldb.com", "url": "https://github.com/npitre/cramfs-tools/issues/13#issuecomment-4306102583"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/811897"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/364408"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/364408/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}, {"lang": "en", "value": "CWE-61"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

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