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Vulnerability record · CVE-2026-54230 · published 13 June 2026

CVE-2026-54230: Redhat automatic bug reporting tool link following vulnerability

Redhat · Automatic Bug Reporting Tool

A symlink following vulnerability was found in the ABRT post-create event handler scripts in libreport. Event scripts write output files using shell redirections without the O_NOFOLLOW flag. If the target file is replaced with a symlink, the shell process running as root follows the symlink and writes content to the symlink target, allowing arbitrary file overwrites on the system.

7.8 CVSS 3.1 High EPSS 0.18% · top 93.6% CWE-59 · Link following
7.8CVSS 3.1 base score
0.18%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
11References
21 Sep 2026Last modified by NVD

Description

A symlink following vulnerability was found in the ABRT post-create event handler scripts in libreport. Event scripts write output files using shell redirections without the O_NOFOLLOW flag. If the target file is replaced with a symlink, the shell process running as root follows the symlink and writes content to the symlink target, allowing arbitrary file overwrites on the system.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/errata/RHSA-2026:54272
https://access.redhat.com/errata/RHSA-2026:69115
https://access.redhat.com/errata/RHSA-2026:69116
https://access.redhat.com/errata/RHSA-2026:69117
https://access.redhat.com/errata/RHSA-2026:69121
https://access.redhat.com/security/cve/CVE-2026-54230 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2488568 Issue TrackingVendor Advisory
https://access.redhat.com/errata/RHSA-2026:54272
https://access.redhat.com/security/cve/CVE-2026-54230 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2488568 Issue TrackingVendor Advisory
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-54230.json

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Source: NIST National Vulnerability Database (record CVE-2026-54230), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.