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CVE-2026-4408 Samba: remote code execution in samr

🗓️ 28 May 2026 07:25:27Reported by redhatType 
cvelist
 cvelist🔗 www.cve.org👁 36 Views

Samba remote code execution via check password script with %u not escaping shell chars in non standard setups using samba dcerpcd.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-4408
28 May 202607:25
–attackerkb
Amazon		Important: samba
22 Jun 202600:00
–amazon
Tenable Nessus		Alibaba Cloud Linux 3 : 0152: samba (ALINUX3-SA-2026:0152)
16 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 8 : samba (ALSA-2026:22644)
3 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 10 : samba (ALSA-2026:22963)
4 Jun 202600:00
–nessus
Tenable Nessus		AlmaLinux 9 : samba (ALSA-2026:25049)
11 Jun 202600:00
–nessus
Tenable Nessus		Debian dsa-6297 : ctdb - security update
26 May 202600:00
–nessus
Tenable Nessus		Fedora 44 : freeipa / samba (2026-7567819345)
2 Jun 202600:00
–nessus
Tenable Nessus		Fedora 45 : freeipa / samba (2026-9b08621bdc)
29 May 202600:00
–nessus
Tenable Nessus		Fedora 43 : freeipa / samba (2026-fc81581a79)
5 Jun 202600:00
–nessus
Rows per page
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23 Jun 2026 07:43Current
CVSS 3.19
EPSS0.01869
CWE-78
sambausername substitutionshell charactersremote command executionnon standard configurationssamba dcerpcd service
36