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.
Affected products
2- Range: =5
- Softlink Education/Oliver Library Serverv5Range: < 8.00.008.053
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- www.exploit-db.com/exploits/50599mitreexploit
- www.softlinkint.com/product/oliver/mitreproduct
News mentions
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