🛡️ CVE-2026-41243 — openlearn

🟡 CVSS 5.4 — Medium ⚠️ Exploit Public CWE-284 NVD
5.4
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

OpenLearn is open-source educational forum software. Prior to commit 844b2a40a69d0c4911580fe501923f0b391313ab, when safeMode is enabled, unapproved forum posts are hidden from the public list, but the direct post-read procedure still returns the full post to anyone with the post UUID. Commit 844b2a40a69d0c4911580fe501923f0b391313ab fixes the issue.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2026-41243 is classified as CWE-284: Improper Access Control. The software does not restrict an action to the actors that should be allowed to perform it.

Affected software

CVE-2026-41243 is recorded against 1 package.

  • openlearn (fixed in 2026-04-14)

Timeline and source

Published on 23 April 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com
github.com
github.com

Details

Severity MEDIUM
CVSS Score 5.4
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CWE CWE-284
Public Exploit ⚠️ Yes
Source NVD
Published 2026-04-23
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
openlearn — 2026-04-14

Similar Threats

Exploit Protection

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