Linux · Debian · Security advisory · August 12, 2026

DEBIAN-CVE-2026-48552: nagios4 security update

DEBIAN-CVE-2026-48552, released August 12, 2026, fixes 1 CVE in nagios4. None of them is reported as exploited. Patch Radar priority: Routine.

Routine
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
5.4
Base score, 0 to 10
Highest EPSS
0.0029
21st percentile

Fixed package versions

ProductReleaseFixed in
nagios4Debian 12.15 (bookworm)4.4.6-4+deb12u2
nagios4Debian 13.5 (trixie)4.4.6-4.1+deb13u2
nagios4Debian 144.5.14+ds-1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Routine CVE-2026-48552 nagios4: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js5.4 0.0029 None reported
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