OPENSUSE-SU-2026:21399-1: Security update for 6 packages

OPENSUSE-SU-2026:21399-1, released July 21, 2026, fixes 6 CVEs across 6 products. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.1548

96th percentile

Priority of the 6 CVEs

Patch now 0
                                Urgent 1
                                High 5
                                Routine 0

Fixed package versions

Product	Release	Fixed in
cockpit	opensuse-leap 16.0	364-160000.1.1
cockpit-machines	opensuse-leap 16.0	354-160000.1.1
cockpit-packages	opensuse-leap 16.0	5-160000.1.1
cockpit-podman	opensuse-leap 16.0	128-160000.1.1
cockpit-repos	opensuse-leap 16.0	4.8-160000.1.1
cockpit-subscriptions	opensuse-leap 16.0	16.2-160000.1.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-4631	cockpit: SSH command-line argument injection can lead to unauthenticated remote code execution (bsc#1261829).	9.8	0.1548	None reported
High	CVE-2025-13465	golang-github-prometheus-node_exporter: Bump lodash package to version 4.17.23 to fix prototype pollution vulnerability (bsc#1257329)	8.8	0.0182	None reported
High	CVE-2026-4802	cockpit: A flaw was found in Cockpit	8.0	0.0102	None reported
High	CVE-2026-26996	cockpit: minimatch: ReDoS when glob pattern contains many consecutive wildcards followed by a literal character	7.5	0.0058	None reported
High	CVE-2026-25547	golang-github-prometheus-alertmanager: Fixed unbounded brace range expansion leading to excessive CPU and memory consumption (bsc#1257841)	7.5	0.0054	None reported
High	CVE-2026-27904	cockpit: minimatch: nested *() extglobs can lead to regular expressions with exponential backtracking	7.5	0.0053	None reported

Also fixes CVE-2026-4631

SUSE-SU-2026:22837-1
cockpit, cockpit-machines, cockpit-packages and 3 more on sles 16.0
RLSA-2026:7383
cockpit on rocky 10
RLSA-2026:7384
cockpit on rocky 9
RHSA-2026:7381
cockpit on RHEL 10
RHSA-2026:7384
cockpit, cockpit-bridge, cockpit-doc and 5 more on RHEL 9
ELSA-2026-7383
cockpit, cockpit-bridge, cockpit-doc and 5 more on ol 10
ALSA-2026:7383
cockpit-bridge, cockpit-doc, cockpit-packagekit and 2 more on almalinux 10
ALSA-2026:7384
cockpit, cockpit-bridge, cockpit-doc and 5 more on almalinux 9

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:21399-1

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