{"id":"CVE-2025-52931","summary":"Unexpected input to Update Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin","details":"Mattermost Confluence Plugin version \u003c1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to update channel subscription endpoint with an invalid request body.","aliases":["GHSA-vc77-c2hx-h5x2","GO-2025-3870"],"modified":"2026-08-12T03:51:10.143745147Z","published":"2025-08-11T18:57:00.672Z","related":["openSUSE-SU-2025:15469-1","openSUSE-SU-2026:21483-1"],"database_specific":{"cna_assigner":"Mattermost","cwe_ids":["CWE-754"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/52xxx/CVE-2025-52931.json"},"references":[{"type":"WEB","url":"https://github.com/mattermost/mattermost-plugin-confluence/"},{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/52xxx/CVE-2025-52931.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52931"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost-plugin-confluence","events":[{"introduced":"0"},{"fixed":"eccd0fdb6730a5a2e5a8e3f9636b27122f024e47"}],"database_specific":{"source":["AFFECTED_FIELD","CPE_RANGE"],"cpe":"cpe:2.3:a:mattermost:confluence:*:*:*:*:*:mattermost:*:*","extracted_events":[{"introduced":"0"},{"fixed":"1.5.0"}]}}],"versions":["v1.5.0-rc2","v1.5.0-rc1","v1.4.0-rc1","v1.3.0","v1.2.0","v1.1.0","v1.1.0-rc1","v1.0.0","v0.1.0-rc2","v0.1.0-rc1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-52931.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}