CVE-2020-26258: Server-Side Forgery Request can be activated unmarshalling with XStream

CVE-2020-26258 · Severity: low · CVSS 3.1 · Published 2020-12-21

Server-Side Forgery Request can be activated unmarshalling with XStream

Technologies: com.thoughtworks.xstream:xstream (Maven). Vendors: Maven.

Quick answers

Is CVE-2020-26258 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-26258 being exploited in the wild.
How severe is CVE-2020-26258?
Low severity, with a CVSS score of 3.1, published 21 December 2020.
Which products and versions are affected?
com.thoughtworks.xstream:xstream (Maven) ECOSYSTEM:introduced=0,fixed=1.4.15.
Is there a fix for CVE-2020-26258?
Yes. com.thoughtworks.xstream:xstream (Maven): upgrade to 1.4.15 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-26258?
Check whether you run com.thoughtworks.xstream:xstream (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • com.thoughtworks.xstream:xstream (Maven): upgrade to 1.4.15 or later
    # set com.thoughtworks.xstream:xstream to 1.4.15 in your pom.xml or build.gradle

Affected products

  • com.thoughtworks.xstream:xstream (Maven) ECOSYSTEM:introduced=0,fixed=1.4.15

Identifiers

  • CVE-2020-26258
  • GHSA-4cch-wxpw-8p28

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