High severity7.5NVD Advisory· Published Jan 15, 2026· Updated Jun 17, 2026
CVE-2021-47755
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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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3- cpe:2.3:a:softlinkint:oliver_v5_library:*:*:*:*:*:*:*:*Range: <8.00.008.053
- Range: <5
- Softlink Education/Oliver Library Serverv5Range: < 8.00.008.053
Patches
Vulnerability mechanics
References
2- www.exploit-db.com/exploits/50599nvdExploitThird Party Advisory
- www.softlinkint.com/product/oliver/nvdProduct
News mentions
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