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High · 7.5 Public exploit CVE-2020-36939 EUVD-2020-30857GHSA-8mfv-xhp5-48q9

Cassandra Web 0.5.0 - Remote File Read

Published Jan 27, 2026 · Updated Oct 8, 2026 · Assigned by VulnCheck

Description

Cassandra Web 0.5.0 contains a directory traversal vulnerability that allows unauthenticated attackers to read arbitrary files by manipulating path traversal parameters. Attackers can exploit the disabled Rack::Protection module to read sensitive system files like /etc/passwd and retrieve Apache Cassandra database credentials.

Affected products

VendorProductAffectedFixed
avalanche123 Cassandra Web 0.5.0 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Metasploit 1 module

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Affected packages

EcosystemPackageAffectedFixedRecord
RubyGems cassandra-web <= 0.5.0 — GHSA-8mfv-xhp5-48q9

References