All vulnerabilities

Servers and applications

CVE-2020-26217

XStream before version 1.4.14 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…

Severity
High 8.8
Published
16 Nov 2020
Last changed
7 Oct 2026
Added to UpHeron
1 Nov 2026
Fixed in
5.15.14
Sources
NVD

Affected software

SoftwareAffected versions
Apache ActiveMQServers and applications · cpe:a:apache:activemq
  • Every version before 5.15.14
  • Version 5.16.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-26217
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-26217