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Xstream · weakness class

File and Path Handling

15 CVEs

Every dot is a CVE in what this vendor ships; the named ones are the most at risk.

check available
3
likely to be exploited
5

Every one of the 15 is a mark on the map. Named now: 1 to 15, most at risk first.

  1. XStream <1.4.16 - Remote Code ExecutionCVE-2021-21351x-stream · CVSS 5.4 · 82% likely

    CWE-434

  2. XStream 1.4.18 - Remote Code ExecutionCVE-2021-39141x-stream · CVSS 8.5 · 16% likely

    CWE-434

  3. XStream 1.4.18 - Arbitrary Code ExecutionCVE-2021-39146x-stream · CVSS 8.5 · 14% likely

    CWE-434

  4. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-21346x-stream · CVSS 6.1 · 76% likely

    CWE-434

  5. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-21344x-stream · CVSS 5.3 · 76% likely

    CWE-434

  6. XStream is vulnerable to an Arbitrary File Deletion on the local host when unmarshalling as long as the executing process has sufficient rightsCVE-2021-21343x-stream · CVSS 5.3 · 47% likely

    CWE-73

  7. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-21350x-stream · CVSS 5.3 · 15% likely

    CWE-434

  8. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-21347x-stream · CVSS 6.1 · 14% likely

    CWE-434

  9. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-39154x-stream · CVSS 8.5 · 4.7% likely

    CWE-434

  10. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-39151x-stream · CVSS 8.5 · 4.7% likely

    CWE-434

  11. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-39149x-stream · CVSS 8.5 · 4.7% likely

    CWE-434

  12. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-39148x-stream · CVSS 8.5 · 4.7% likely

    CWE-434

  13. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-39147x-stream · CVSS 8.5 · 4.7% likely

    CWE-434

  14. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-39153x-stream · CVSS 8.5 · 4.5% likely

    CWE-434

  15. XStream is vulnerable to an Arbitrary Code Execution attackCVE-2021-39145x-stream · CVSS 8.5 · 4.1% likely

    CWE-434

exploited in the wildcheck availableringed, named or not: CyberSIXT has reported on it

Zoom in on the map and the dots under the middle of it are named where they are.

Data as of 2026-11-15. CVE List through 2026-11-15 · EPSS of 2026-11-15 · CISA KEV checked 2026-11-15. Sources: the CVE List, CISA KEV, EPSS, NVD, nuclei templates and public bug bounty data.