CVE-2026-26977: Frappe Learning Management System (LMS) is a learning system that helps users structure their content

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2026-26977 is a medium-severity flaw (CVSS 5.3) affecting learning. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 In versions 2.44.0 and below, unauthorized users are able to access the details of unpublished courses via API endpoints.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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 75%)
CISA exploited list	No
Weakness	CWE-284, CWE-862
Published	2026-02-20
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: frappe

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-20 02:16 UTCPublished CVE record published
2026-06-17 10:26 UTCUpdated Record last modified

frappe learning UPGRADE

Affected: >= 2.0.0 and < 2.45.0

Fixed in: 2.45.0

Safe to downgrade to: a release before 2.0.0

1. Check installed version

apt-cache policy learning || rpm -q learning || learning --version

2. UPGRADE to 2.45.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade learning

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade learning

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison learning sudo apt install learning=<VERSION_BEFORE_2.0.0> sudo apt-mark hold learning

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list learning sudo dnf downgrade learning-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add learning

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-26977?

learning: upgrade to 2.45.0. Exact commands for each OS are on this page.

Is CVE-2026-26977 being exploited?

CVE-2026-26977 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-26977 affect?

CVE-2026-26977 affects learning. Severity is medium (CVSS 5.3). 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

How urgent is CVE-2026-26977?

Priority 30/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-34606 MEDIUM 6.1 UPGRADE Frappe Learning Management System (LMS) is a learning system that helps users structure their content
CVE-2026-39415 MEDIUM 4.3 UPGRADE Frappe Learning Management System (LMS) is a learning system that helps users structure their content
CVE-2026-46546 MEDIUM 5.4 UPGRADE Frappe Learning Management System (LMS) is a learning system that helps users structure their content
CVE-2026-26031 MEDIUM 5.3 UPGRADE Frappe Learning Management System (LMS) is a learning system that helps users structure their content

References

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