PT-2026-34605 · Siemvk · Openlearn

Published 2026-04-23 · Updated 2026-04-23 · CVE-2026-41243

NVD

CVSS v4.0

6.9

Medium

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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.

Fix

Improper Access Control

Weakness Enumeration

CWE-284

Related Identifiers

CVE-2026-41243

Affected Products

Openlearn

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-41243 · Security Note
• https://github.com/siemvk/OpenLearn/security/advisories/GHSA-4rv3-hfh6-vqvm · Note
• https://github.com/siemvk/OpenLearn/commit/844b2a40a69d0c4911580fe501923f0b391313ab · Note