CVE-2020-26217: OS Command Injection

November 16, 2020 (updated December 3, 2021)

XStream is vulnerable to Remote Code Execution. The vulnerability may allow a remote attacker to run arbitrary shell commands only by manipulating the processed input stream. Only users who rely on blocklists are affected. Anyone using XStream’s Security Framework allowlist is not affected. The linked advisory provides code workarounds for users who cannot upgrade. The issue is fixed

References

nvd.nist.gov/vuln/detail/CVE-2020-26217
x-stream.github.io/CVE-2020-26217.html

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