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CVE-2026-54371

attr < 2.6.0 Symlink Traversal Privilege Escalation via getfattr/setfattr

CVSS 4.0 8.4 HIGHCVSS 3.1 7.1 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-54371

Published

attr before version 2.6.0 contains a symlink traversal vulnerability in the getfattr and setfattr utilities that allows local attackers to escalate privileges by replacing a pathname component with a symbolic link during directory hierarchy traversal. Attackers who control a pathname component can redirect getfattr and setfattr operations to arbitrary files by substituting a symlink, leading to local privilege escalation when getfattr or setfattr is invoked by a privileged process over an attacker-controlled path.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-54371

Published

attr

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "affected",
                    "vendor": "attr project",
                    "product": "attr",
                    "repo": "https://savannah.nongnu.org/projects/attr/",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver",
                            "lessThan": "2.6.0"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON