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VULNERABILITIES

CVE-2026-56860 Details

Description

Previously, resolving relative paths containing parent directory ('..') segments performed string conversions and buffer rewrites on each step, resulting in quadratic time complexity and high memory allocation overhead. Now, path resolution operates on a byte buffer using index-based backtracking for '..' segments, eliminating the quadratic time complexity and significantly reducing memory allocations.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:5.9 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://go.dev/cl/803681 [email protected]
https://go.dev/issue/80494 [email protected]
https://groups.google.com/g/golang-announce/c/94pEornpRlI [email protected]
https://pkg.go.dev/vuln/GO-2026-6218 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-407Inefficient Algorithmic ComplexityCISA-ADP

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-56860
NVD Published Date:
Aug 13, 2026
NVD Last Modified:
Sep 3, 2026
Source:
[email protected]
CVE-2026-56860 Details - Not Deferred