{"id":"CVE-2024-26145","state":"PUBLISHED","title":"Uninvited user is able to join and mark the attendance of the the private event","description":"Discourse Calendar adds the ability to create a dynamic calendar in the first post of a topic on Discourse. Uninvited users are able to gain access to private events by crafting a request to update their attendance. This problem is resolved in commit dfc4fa15f340189f177a1d1ab2cc94ffed3c1190. As a workaround, one may use post visibility to limit access.","publishedAt":"2024-02-21T17:19:11.128Z","updatedAt":"2024-08-27T15:08:13.973Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["discourse discourse-calendar"],"affected":[{"vendor":"discourse","product":"discourse-calendar","versions":[{"version":">= 2201b254, < dfc4fa15f340189f177a1d1ab2cc94ffed3c1190","status":"affected"}]}],"references":["https://github.com/discourse/discourse-calendar/security/advisories/GHSA-4hh7-6m34-p2jp","https://github.com/discourse/discourse-calendar/commit/dfc4fa15f340189f177a1d1ab2cc94ffed3c1190"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:07:10.607Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/26xxx/CVE-2024-26145.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-26145","state":"PUBLISHED","datePublished":"2024-02-21T17:19:11.128Z","dateUpdated":"2024-08-27T15:08:13.973Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2024-02-14T17:40:03.689Z"},"containers":{"cna":{"title":"Uninvited user is able to join and mark the attendance of the the private event","descriptions":[{"lang":"en","value":"Discourse Calendar adds the ability to create a dynamic calendar in the first post of a topic on Discourse. Uninvited users are able to gain access to private events by crafting a request to update their attendance. This problem is resolved in commit dfc4fa15f340189f177a1d1ab2cc94ffed3c1190. As a workaround, one may use post visibility to limit access."}],"affected":[{"vendor":"discourse","product":"discourse-calendar","versions":[{"version":">= 2201b254, < dfc4fa15f340189f177a1d1ab2cc94ffed3c1190","status":"affected"}]}],"references":[{"url":"https://github.com/discourse/discourse-calendar/security/advisories/GHSA-4hh7-6m34-p2jp","name":"https://github.com/discourse/discourse-calendar/security/advisories/GHSA-4hh7-6m34-p2jp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/discourse/discourse-calendar/commit/dfc4fa15f340189f177a1d1ab2cc94ffed3c1190","name":"https://github.com/discourse/discourse-calendar/commit/dfc4fa15f340189f177a1d1ab2cc94ffed3c1190","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2024-02-21T17:19:11.128Z"},"source":{"advisory":"GHSA-4hh7-6m34-p2jp","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/discourse/discourse-calendar/security/advisories/GHSA-4hh7-6m34-p2jp","name":"https://github.com/discourse/discourse-calendar/security/advisories/GHSA-4hh7-6m34-p2jp","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/discourse/discourse-calendar/commit/dfc4fa15f340189f177a1d1ab2cc94ffed3c1190","name":"https://github.com/discourse/discourse-calendar/commit/dfc4fa15f340189f177a1d1ab2cc94ffed3c1190","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-01T23:59:32.870Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-02-22T18:04:16.341838Z","id":"CVE-2024-26145","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-27T15:08:13.973Z"}}]}}}