Bug 2494820 (CVE-2026-58335)

Summary: CVE-2026-58335 moodle: Missing group access checks in grade web services
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: security-response-team
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
A flaw was found in Moodle. Missing group access checks in certain grade web services could allow a user to access grade and user information for students in groups they did not have permission to view. This could lead to unauthorized information disclosure.
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Clone Of: Environment:
Last Closed: Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2507972    
Bug Blocks:    
Deadline: 2026-07-01   

Description OSIDB Bzimport 2026-06-30 10:16:21 UTC
MSA-26-0016: Missing group access checks in grade web services

Description:       Missing group access checks in some grade web services
could allow a user to access grade and user information for
students in groups they did not have permission to view.
Issue summary:     Missing group access checks in grade web services
Severity/Risk:     Minor
Versions affected: 5.2, 5.1 to 5.1.4, 5.0 to 5.0.7, 4.5 to 4.5.11 and earlier
unsupported versions
Versions fixed:    5.2.1, 5.1.5, 5.0.8 and 4.5.12
Reported by:       Paul Holden
Issue no.:         MDL-88667