CVE-2026-54371

Description

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.

CVSS v3.1 Score

7.1

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploit Prediction

0.0014

Probability of exploitation

0.03%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-59 CWE-59

References

Other References

https://cgit.git.savannah.nongnu.org/cgit/attr.git/commit/?id=49f79e947270f06940b9100fa638f85dddc4aa7f https://cgit.git.savannah.nongnu.org/cgit/attr.git/commit/?id=c440855d6b33446edf4b5eb1a2d892281f15a99b https://www.vulncheck.com/advisories/attr-symlink-traversal-privilege-escalation-via-getfattr-setfattr https://access.redhat.com/errata/RHSA-2026:34889 https://access.redhat.com/security/cve/CVE-2026-54371 https://bugzilla.redhat.com/show_bug.cgi?id=2490283 https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-54371.json

Frequently Asked Questions

What is CVE-2026-54371? +

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. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2026-54371? +

CVE-2026-54371 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0014, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-54371? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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