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CVE-2026-48549

Nagios Core / XI CSRF via cmd.cgi Double-Submit Cookie PUBLISHED

Description (CNA)

Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 contains a CSRF vulnerability in cmd.cgi. When no Cookie header is present, the double-submit cookie protection can be bypassed by supplying matching NagFormId and nagFormId values in the POST body, allowing a cross-site request to execute Nagios commands as a currently authenticated user.

Affected (CNA)

Vendor / productVersions
Nagios Enterprises, LLC. / Nagios Coreaffected 0 before 4.5.13
Nagios Enterprises, LLC. / Nagios XIaffected 0 before 2026R1.5

CWE

CWE-352

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.