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Vulnerability record · CVE-2026-54231 · published 13 June 2026

CVE-2026-54231: Redhat automatic bug reporting tool injection vulnerability

Redhat · Automatic Bug Reporting Tool

A content injection vulnerability was found in the ABRT post-create event handler scripts in libreport. The event script queries the systemd journal for log entries matching the crashed process and writes the results to files in the dump directory without sanitizing embedded control characters. A local user can inject arbitrary content into the journal output by embedding newline characters in syslog messages, controlling the content that root writes to dump directory files.

5.5 CVSS 3.1 Medium EPSS 0.19% · top 91.9% CWE-74 · Injection
5.5CVSS 3.1 base score
0.19%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
21 Sep 2026Last modified by NVD

Description

A content injection vulnerability was found in the ABRT post-create event handler scripts in libreport. The event script queries the systemd journal for log entries matching the crashed process and writes the results to files in the dump directory without sanitizing embedded control characters. A local user can inject arbitrary content into the journal output by embedding newline characters in syslog messages, controlling the content that root writes to dump directory files.

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

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/security/cve/CVE-2026-54231 Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2488571 Issue TrackingVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-54231), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.