CVE-2026-24479

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-24479", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-23T00:38:20.547Z", "datePublished": "2026-01-27T00:43:42.799Z", "dateUpdated": "2026-01-27T14:42:04.040Z"}, "containers": {"cna": {"title": "HUSTOJ has Arbitrary File Write (Zip Slip) in Problem Import Modules that leads to RCE", "problemTypes": [{"descriptions": [{"cweId": "CWE-22", "lang": "en", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.3, "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/zhblue/hustoj/security/advisories/GHSA-xmgg-2rw4-7fxj", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/zhblue/hustoj/security/advisories/GHSA-xmgg-2rw4-7fxj"}, {"name": "https://github.com/zhblue/hustoj/commit/902bd09e6d0011fe89cd84d4236899314b33101f", "tags": ["x_refsource_MISC"], "url": "https://github.com/zhblue/hustoj/commit/902bd09e6d0011fe89cd84d4236899314b33101f"}], "affected": [{"vendor": "zhblue", "product": "hustoj", "versions": [{"version": "< 26.01.24", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-27T00:43:42.799Z"}, "descriptions": [{"lang": "en", "value": "HUSTOF is an open source online judge based on PHP/C++/MySQL/Linux for ACM/ICPC and NOIP training. Prior to version 26.01.24, the problem_import_qduoj.php and problem_import_hoj.php modules fail to properly sanitize filenames within uploaded ZIP archives. Attackers can craft a malicious ZIP file containing files with path traversal sequences (e.g., ../../shell.php). When extracted by the server, this allows writing files to arbitrary locations in the web root, leading to Remote Code Execution (RCE). Version 26.01.24 contains a fix for the issue."}], "source": {"advisory": "GHSA-xmgg-2rw4-7fxj", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-27T14:41:12.496693Z", "id": "CVE-2026-24479", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-27T14:42:04.040Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-24479", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-01-27T14:41:12.496693Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-27T14:41:58.821Z"}}], "cna": {"title": "HUSTOJ has Arbitrary File Write (Zip Slip) in Problem Import Modules that leads to RCE", "source": {"advisory": "GHSA-xmgg-2rw4-7fxj", "discovery": "UNKNOWN"}, "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 9.3, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH"}}], "affected": [{"vendor": "zhblue", "product": "hustoj", "versions": [{"status": "affected", "version": "< 26.01.24"}]}], "references": [{"url": "https://github.com/zhblue/hustoj/security/advisories/GHSA-xmgg-2rw4-7fxj", "name": "https://github.com/zhblue/hustoj/security/advisories/GHSA-xmgg-2rw4-7fxj", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/zhblue/hustoj/commit/902bd09e6d0011fe89cd84d4236899314b33101f", "name": "https://github.com/zhblue/hustoj/commit/902bd09e6d0011fe89cd84d4236899314b33101f", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "HUSTOF is an open source online judge based on PHP/C++/MySQL/Linux for ACM/ICPC and NOIP training. Prior to version 26.01.24, the problem_import_qduoj.php and problem_import_hoj.php modules fail to properly sanitize filenames within uploaded ZIP archives. Attackers can craft a malicious ZIP file containing files with path traversal sequences (e.g., ../../shell.php). When extracted by the server, this allows writing files to arbitrary locations in the web root, leading to Remote Code Execution (RCE). Version 26.01.24 contains a fix for the issue."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-22", "description": "CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-27T00:43:42.799Z"}}}, "cveMetadata": {"cveId": "CVE-2026-24479", "state": "PUBLISHED", "dateUpdated": "2026-01-27T14:42:04.040Z", "dateReserved": "2026-01-23T00:38:20.547Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-01-27T00:43:42.799Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "hustoj", "vendor": "zhblue", "versions": [{"status": "affected", "version": "< 26.01.24"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:hustoj:hustoj:*:*:*:*:*:*:*:*", "matchCriteriaId": "3C2DFB45-A477-4B77-A437-C7F3C810B8B6", "versionEndExcluding": "26.01.24", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "HUSTOF is an open source online judge based on PHP/C++/MySQL/Linux for ACM/ICPC and NOIP training. Prior to version 26.01.24, the problem_import_qduoj.php and problem_import_hoj.php modules fail to properly sanitize filenames within uploaded ZIP archives. Attackers can craft a malicious ZIP file containing files with path traversal sequences (e.g., ../../shell.php). When extracted by the server, this allows writing files to arbitrary locations in the web root, leading to Remote Code Execution (RCE). Version 26.01.24 contains a fix for the issue."}, {"lang": "es", "value": "HUSTOF es un juez en l\u00ednea de c\u00f3digo abierto basado en PHP/C++/MySQL/Linux para entrenamiento de ACM/ICPC y NOIP. Antes de la versi\u00f3n 26.01.24, los m\u00f3dulos problem_import_qduoj.php y problem_import_hoj.php no logran sanear correctamente los nombres de archivo dentro de los archivos ZIP subidos. Los atacantes pueden crear un archivo ZIP malicioso que contenga archivos con secuencias de salto de ruta (p. ej., ../../shell.php). Cuando es extra\u00eddo por el servidor, esto permite escribir archivos en ubicaciones arbitrarias en la ra\u00edz web, lo que lleva a la Ejecuci\u00f3n Remota de C\u00f3digo (RCE). La versi\u00f3n 26.01.24 contiene una soluci\u00f3n para el problema."}], "id": "CVE-2026-24479", "lastModified": "2026-06-17T10:23:07.917", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.3, "baseSeverity": "CRITICAL", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-24479", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-01-27T14:41:12.496693Z", "version": "2.0.3"}}]}, "published": "2026-01-27T01:16:02.017", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/zhblue/hustoj/commit/902bd09e6d0011fe89cd84d4236899314b33101f"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/zhblue/hustoj/security/advisories/GHSA-xmgg-2rw4-7fxj"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"created": "2026-01-27T09:02:58.986651+00:00", "updated": "2026-06-18T05:45:02.562616+00:00", "vendors": ["hustoj", "hustoj$PRODUCT$hustoj"]}