{"id":"CVE-2026-41243","state":"PUBLISHED","title":"OpenLearn's pending forum posts remain publicly readable by direct ID when moderation mode is enabled","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.","publishedAt":"2026-04-23T00:09:03.863Z","updatedAt":"2026-04-23T13:55:12.541Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["siemvk OpenLearn"],"affected":[{"vendor":"siemvk","product":"OpenLearn","versions":[{"version":"< 844b2a40a69d0c4911580fe501923f0b391313ab","status":"affected"}]}],"references":["https://github.com/siemvk/OpenLearn/security/advisories/GHSA-4rv3-hfh6-vqvm","https://github.com/siemvk/OpenLearn/commit/844b2a40a69d0c4911580fe501923f0b391313ab"],"weaknesses":["CWE-284"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/41xxx/CVE-2026-41243.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-41243","state":"PUBLISHED","datePublished":"2026-04-23T00:09:03.863Z","dateUpdated":"2026-04-23T13:55:12.541Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-18T03:47:03.135Z"},"containers":{"cna":{"title":"OpenLearn's pending forum posts remain publicly readable by direct ID when moderation mode is enabled","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"siemvk","product":"OpenLearn","versions":[{"version":"< 844b2a40a69d0c4911580fe501923f0b391313ab","status":"affected"}]}],"references":[{"url":"https://github.com/siemvk/OpenLearn/security/advisories/GHSA-4rv3-hfh6-vqvm","name":"https://github.com/siemvk/OpenLearn/security/advisories/GHSA-4rv3-hfh6-vqvm","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/siemvk/OpenLearn/commit/844b2a40a69d0c4911580fe501923f0b391313ab","name":"https://github.com/siemvk/OpenLearn/commit/844b2a40a69d0c4911580fe501923f0b391313ab","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","description":"CWE-284: Improper Access Control","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-23T00:09:03.863Z"},"source":{"advisory":"GHSA-4rv3-hfh6-vqvm","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/siemvk/OpenLearn/security/advisories/GHSA-4rv3-hfh6-vqvm","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-23T13:54:48.062482Z","id":"CVE-2026-41243","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-23T13:55:12.541Z"}}]}}}