MEDIUM 5.5 Microsoft

CVE-2026-31802

node-tar Symlink Path Traversal via Drive-Relative Linkpath

Microsoft Security Update 2026-Mar: node-tar Symlink Path Traversal via Drive-Relative Linkpath

Affected Products

cbl2 tar 1.34-3 on CBL Mariner 2.0
azl3 tar 1.35-2 on Azure Linux 3.0
cbl2 tar 1.34-3

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-31802
https://nvd.nist.gov/vuln/detail/CVE-2026-31802

Published: 2026-03-10 · Source: Microsoft · Feed updated: 2026-08-10

This medium severity vulnerability with a CVSS score of 5.5 was published on 2026-03-10 via Microsoft. Affected: cbl2 tar 1.34-3 on CBL Mariner 2.0, azl3 tar 1.35-2 on Azure Linux 3.0, cbl2 tar 1.34-3.

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