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CVE-2026-61805medium5.3

Frappe LMS: Quiz result manipulation and cross-user submission forgery

Impact

Frappe Learning Management System (LMS) is a learning system that helps users structure their content. Prior to version 2.54.0, quiz submission records are not adequately authorized on the server. Through a REST bypass, an authenticated student can record a passing or perfect quiz result without their answers being verified, unlocking course completion and certificates. The student can also create a submission attributed to another user, exhausting that user's allowed attempts and blocking legitimate submissions. These integrity and availability issues are scoped to quiz results; they do…

Source excerpt · GitHub_M

Affected packages

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Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

frappe · GitHub_M

lms

1 range
GitHub_M version evidence

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affected

< 2.54.0

unaffected

unknown

Other versions: unknown

Original source description

Frappe Learning Management System (LMS) is a learning system that helps users structure their content. Prior to version 2.54.0, quiz submission records are not adequately authorized on the server. Through a REST bypass, an authenticated student can record a passing or perfect quiz result without their answers being verified, unlocking course completion and certificates. The student can also create a submission attributed to another user, exhausting that user's allowed attempts and blocking legitimate submissions. These integrity and availability issues are scoped to quiz results; they do not expose other users' data or grant elevated roles. This issue is fixed in version 2.54.0.

Inside the record

Evidence available

Package identity · not supplied
Version evidence
Remediation guidance · not supplied
Weakness classification
Additional publishers · not supplied

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Original records

CVE-2026-61805

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

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Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-862 ↗

CWE-862: Missing Authorization

GitHub_M

Related →
Contributing organizations · 1
GitHub_M

Assigning organization

2026-10-30

What changed

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References

3 sources
github.com/frappe/lms/security/advisories/GHSA-4566-2phx-68gh
Security advisoryGitHub_M
github.com/frappe/lms/commit/876504f3900512f528b6e4a7bd3a15673eedd386
PatchGitHub_M
github.com/frappe/lms/tree/v2.54.0
Source referenceGitHub_M