CVE-2026-54371: attr < 2.6.0 Symlink Traversal Privilege Escalation via getfattr/setfattr

highCVSS 7.1CVE-2026-54371

CSIRTS triage

vendor: attr product: attr Privilege escalationaffected: < 2.6.0

What: A symlink traversal vulnerability allows privilege escalation via getfattr/setfattr.
Who is affected: Users of attr versions below 2.6.0 are affected.
Urgency: Remediation is high urgency due to the potential for privilege escalation.
Action: Upgrade to attr version 2.6.0 or later.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: high — CVSS 7.1
Published: 2026-06-09
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-54371

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-543710.14% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 3% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-54371	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

highCVE-2026-54371: attr before version 2.6.0 contains a symlink traversal vulnerability in the getfattr and setfa…nvd

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