Bug 2563461 (CVE-2026-118380)

Summary: CVE-2026-118380 krb5: kadmind: request alteration and protected information disclosure
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: abokovoy, jrische, rhel-process-autobot, security-response-team, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
In MIT krb5 release 1.4 and later, an active network attacker can alter the arguments sent by a legitimate client to RPC services protected by RPCSEC_GSS, or cause return values to be sent in plain text.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2569304    
Bug Blocks:    
Deadline: 2026-11-09   

Description OSIDB Bzimport 2026-10-29 16:13:03 UTC 
In MIT krb5 release 1.4 and later, an active network attacker can alter the arguments sent by a legitimate client to RPC services protected by RPCSEC_GSS, or cause return values to be sent in plain text.