{"id":"CVE-2023-49809","summary":"Todo plugin gets crashed and disabled by member","details":"Mattermost fails to handle a null request body in the /add endpoint, allowing a simple member to send a request with null request body to that endpoint and make it crash. After a few repetitions, the plugin is disabled. \n\n","aliases":["BIT-mattermost-2023-49809"],"modified":"2026-08-12T03:51:45.475386041Z","published":"2023-12-12T08:20:08.321Z","database_specific":{"cna_assigner":"Mattermost","cwe_ids":["CWE-400"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49809.json","unresolved_ranges":[{"extracted_events":[{"last_affected":"8.1.5"}],"source":"AFFECTED_FIELD"}]},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49809.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49809"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"0"},{"last_affected":"f8f79e13ef11d5bd2527d21a1967bd37f46a0fae"},{"introduced":"987e843629fe3f11861fda23ceb66884f5973ef1"},{"last_affected":"5934ff113becf755beb978cc7bd1ba6564cbbdd6"}],"database_specific":{"cpe":"cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"8.1.5"},{"introduced":"9.0.0"},{"last_affected":"9.1.0"}],"source":"CPE_RANGE"}}],"versions":["v8.1.5-rc2","v8.1.5","v8.1.5-rc1","v8.1.4-rc2","v8.1.4","v8.1.4-rc1","v9.1.0-rc2","v9.1.0","@mattermost/types@9.1.0","@mattermost/client@9.1.0","v8.1.3-rc2","v8.1.3","v8.1.3-rc1","v9.1.0-rc1","cloud-2023-09-26-1","v8.1.2-rc2","v8.1.2","v8.1.2-rc1","server/public/v0.0.9","v8.1.1-rc2","v8.1.1","@mattermost/types@8.1.1","@mattermost/client@8.1.1","v8.1.1-rc1","v8.1.0-rc2","v8.1.0","server/public/v0.0.8","cloud-2023-07-26-1","server/public/v0.0.7","server/public/v0.0.6","server/public/v0.0.5","cloud-2022-11-24-1","cloud-2022-11-11-1","cloud-2022-10-06-1","cloud-2022-09-08-1","cloud-2022-08-10-1","cloud-2022-07-20-1","v5.2.0-rc2","v5.2.0-rc1","v5.1.0-rc1","v5.0.0-rc1","v4.10.0-rc1","v4.9.0-rc1","v4.8.0-rc1","v4.7.0-rc1","v4.6.0-rc2","v4.6.0-rc1","v4.5.0-rc1","v4.4.0-rc1","v4.3.0-rc1","v4.2.0-rc1","v0.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-49809.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}