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Unrated severityNVD Advisory· Published Jan 15, 2026· Updated Apr 7, 2026

Oliver Library Server v5 - Arbitrary File Download

CVE-2021-47755

Description

Oliver Library Server v5 contains a file download vulnerability that allows unauthenticated attackers to access arbitrary system files through unsanitized input in the FileServlet endpoint. Attackers can exploit the vulnerability by manipulating the 'fileName' parameter to download sensitive files from the server's filesystem.

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Affected products

2
  • Oliver Project/Oliverllm-fuzzy
    Range: =5
  • Softlink Education/Oliver Library Serverv5
    Range: < 8.00.008.053

Patches

Vulnerability mechanics

References

2

News mentions

0

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