What is CVE-2026-26977?

CVE-2026-26977 is a medium-severity vulnerability in Frappe Learning, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-02-20.

How severe is CVE-2026-26977?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Frappe Learning

CVE-2026-26977

Frappe Learning Management System (LMS) is a learning system that helps users structure their content. In versions 2.44.0 and below, unauthorized users are able to access the details of unpublished courses via API endpoints. A fix for this issue is planned for the 2.45.0 release.

Published 2026-02-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.9th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Frappe Learning
Frappe Lms — versions <= 2.44.0

Weakness classification (CWE)

References

github.com/frappe/lms/security/advisories/GHSA-26vf-p39q-frx3 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-26977?: CVE-2026-26977 is a medium-severity vulnerability in Frappe Learning, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-02-20.
How severe is CVE-2026-26977?: Medium severity. CVSS v3 base score is 5.3 out of 10.