{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54371","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-06-12T20:20:02.948Z","datePublished":"2026-06-29T12:39:23.594Z","dateUpdated":"2026-09-11T12:08:58.704Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-07-14T21:33:49.815Z"},"datePublic":"2026-06-29T00:00:00.000Z","title":"attr < 2.6.0 Symlink Traversal Privilege Escalation via getfattr/setfattr","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-59","description":"Improper Link Resolution Before File Access ('Link Following')","type":"CWE"}]}],"affected":[{"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"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:attr_project:attr:*:*:*:*:*:*:*:*","versionEndExcluding":"2.6.0"}]}]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.4,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"}},{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","version":"3.1","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"}}],"references":[{"url":"https://cgit.git.savannah.nongnu.org/cgit/attr.git/commit/?id=c440855d6b33446edf4b5eb1a2d892281f15a99b","tags":["patch"]},{"url":"https://cgit.git.savannah.nongnu.org/cgit/attr.git/commit/?id=49f79e947270f06940b9100fa638f85dddc4aa7f","tags":["issue-tracking"]},{"url":"https://www.vulncheck.com/advisories/attr-symlink-traversal-privilege-escalation-via-getfattr-setfattr","tags":["third-party-advisory"]}],"credits":[{"lang":"en","value":"Andrew Tridgell","type":"finder"},{"lang":"en","value":"Andreas Gruenbacher","type":"remediation developer"}],"x_generator":{"engine":"vulncheck"},"tags":["x_open-source"],"source":{"discovery":"UNKNOWN"}},"adp":[{"affected":[{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"attr","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:2.6.0-1.el10_2","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"attr","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:2.6.0-1.el8_10","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9","cpe:/o:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"attr","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:2.6.0-1.el9_8","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:cert_manager:1.19::el9"],"defaultStatus":"affected","packageName":"cert-manager/cert-manager-operator-rhel9","product":"Cert Manager support for Red Hat OpenShift release 1.19","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1788348522","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:cert_manager:1.19::el9"],"defaultStatus":"affected","packageName":"cert-manager/jetstack-cert-manager-acmesolver-rhel9","product":"Cert Manager support for Red Hat OpenShift release 1.19","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1788348571","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:cert_manager:1.19::el9"],"defaultStatus":"affected","packageName":"cert-manager/jetstack-cert-manager-rhel9","product":"Cert Manager support for Red Hat OpenShift release 1.19","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1788348571","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:discovery:2::el9"],"defaultStatus":"affected","packageName":"discovery/discovery-server-rhel9","product":"Red Hat Discovery 2","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1788205779","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:hummingbird:1"],"defaultStatus":"affected","packageName":"attr-main","product":"Red Hat Hardened Images","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"2.6.0-9.1.hum1","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:rhui:5::el9"],"defaultStatus":"affected","packageName":"rhui5/cds-kubernetes-rhel9","product":"Red Hat Update Infrastructure 5","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1788880445","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:rhui:5::el9"],"defaultStatus":"affected","packageName":"rhui5/cds-rhel9","product":"Red Hat Update Infrastructure 5","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1788880464","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:rhui:5::el9"],"defaultStatus":"affected","packageName":"rhui5/haproxy-rhel9","product":"Red Hat Update Infrastructure 5","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1788880456","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:rhui:5::el9"],"defaultStatus":"affected","packageName":"rhui5/installer-rhel9","product":"Red Hat Update Infrastructure 5","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1788765051","versionType":"rpm"}]},{"collectionURL":"https://catalog.redhat.com/software/containers/","cpes":["cpe:/a:redhat:rhui:5::el9"],"defaultStatus":"affected","packageName":"rhui5/rhua-rhel9","product":"Red Hat Update Infrastructure 5","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"1788880581","versionType":"rpm"}]},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"affected","packageName":"attr","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"attr","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"openshift/ose-rhel-coreos-8","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"},{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:openshift:4"],"defaultStatus":"affected","packageName":"openshift/ose-rhel-coreos-9","product":"Red Hat OpenShift Container Platform 4","vendor":"Red Hat"}],"datePublic":"2026-06-29T13:00:00.000Z","descriptions":[{"lang":"en","value":"A flaw was found in the `attr` package. This vulnerability allows a local attacker to perform a symlink traversal attack by replacing a pathname component with a symbolic link - either during directory hierarchy traversal by `getfattr` or during backup restoration by `setfattr`, which reads and resolves full pathnames from backup files. In both cases, when these utilities are executed by a privileged process over a path controlled by the attacker, this can lead to local privilege escalation."}],"metrics":[{"other":{"content":{"namespace":"https://access.redhat.com/security/updates/classification/","value":"Moderate"},"type":"Red Hat severity rating"}},{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.3,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-59","description":"Improper Link Resolution Before File Access ('Link Following')","lang":"en","type":"CWE"}]}],"references":[{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-54371"},{"name":"RHBZ#2490283","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2490283"},{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-54371.json"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:59380"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:60226"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:56133"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:63135"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:63138"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:61783"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:34889"},{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:66018"}],"solutions":[{"lang":"en","value":"RHSA-2026:59380: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10)"},{"lang":"en","value":"RHSA-2026:60226: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9)"},{"lang":"en","value":"RHSA-2026:56133: Red Hat Enterprise Linux BaseOS (v. 8)"},{"lang":"en","value":"RHSA-2026:63135: Cert Manager support for Red Hat OpenShift release 1.19"},{"lang":"en","value":"RHSA-2026:63138: Cert Manager support for Red Hat OpenShift release 1.19"},{"lang":"en","value":"RHSA-2026:61783: Red Hat Discovery 2"},{"lang":"en","value":"RHSA-2026:34889: Red Hat Hardened Images"},{"lang":"en","value":"RHSA-2026:66018: Red Hat Update Infrastructure 5"}],"timeline":[{"lang":"en","time":"2026-06-16T23:47:00.000Z","value":"Reported to Red Hat."},{"lang":"en","time":"2026-06-29T13:00:00.000Z","value":"Made public."}],"title":"attr: attr: Symlink Traversal Privilege Escalation via getfattr and setfattr","workarounds":[{"lang":"en","value":"Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}],"x_adpType":"supplier","x_generator":{"engine":"sadp-cli 1.0.0"},"providerMetadata":{"orgId":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c","shortName":"redhat-SADP","dateUpdated":"2026-09-11T12:08:58.704Z"}},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-30T14:41:00.558077Z","id":"CVE-2026-54371","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-06-30T14:54:03.035Z"}}]}}