CVE Explorer

CVE-2026-24479

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 (R

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:65c7f29eb98cdf5428d27b5dc6aab8d5bc7427507b7d5cacaecec4a299df03f0

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"hustoj","vendor":"zhblue","versions":[{"status":"affected","version":"< 26.01.24"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:70935450e35c4cb9cc8c7863e74599f8eb788da07f0148bce75b42e761defe2e · sha256:7e7f58668c8544cf… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","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","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:70935450e35c4cb9cc8c7863e74599f8eb788da07f0148bce75b42e761defe2e · sha256:7e7f58668c8544cf… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:70935450e35c4cb9cc8c7863e74599f8eb788da07f0148bce75b42e761defe2e · sha256:7e7f58668c8544cf… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/zhblue/hustoj/commit/902bd09e6d0011fe89cd84d4236899314b33101f","tags":["x_refsource_MISC"],"url":"https://github.com/zhblue/hustoj/commit/902bd09e6d0011fe89cd84d4236899314b33101f"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:70935450e35c4cb9cc8c7863e74599f8eb788da07f0148bce75b42e761defe2e · sha256:7e7f58668c8544cf… · /containers/cna/references/1

{"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"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:70935450e35c4cb9cc8c7863e74599f8eb788da07f0148bce75b42e761defe2e · sha256:7e7f58668c8544cf… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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