{"id":"CVE-2025-54525","state":"PUBLISHED","title":"Unexpected input to Create Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin","description":"Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to create channel subscription endpoint with an invalid request body.","publishedAt":"2025-08-11T18:57:06.841Z","updatedAt":"2025-08-11T19:40:57.217Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"Mattermost"},"assigner":"Mattermost","products":["Mattermost Mattermost Confluence Plugin"],"affected":[{"vendor":"Mattermost","product":"Mattermost Confluence Plugin","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.5.0","versionType":"semver"},{"version":"1.5.0","status":"unaffected"}],"repo":"https://github.com/mattermost/mattermost-plugin-confluence/"}],"references":["https://mattermost.com/security-updates"],"weaknesses":["CWE-1287"],"ingestedAt":"2026-10-29T20:09:31.862Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/54xxx/CVE-2025-54525.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-54525","state":"PUBLISHED","datePublished":"2025-08-11T18:57:06.841Z","dateUpdated":"2025-08-11T19:40:57.217Z","assignerShortName":"Mattermost","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateReserved":"2025-07-28T14:26:12.418Z"},"containers":{"cna":{"title":"Unexpected input to Create Channel Subscription endpoint causes DoS in Mattermost Confluence Plugin","descriptions":[{"lang":"en","value":"Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to create channel subscription endpoint with an invalid request body."}],"affected":[{"vendor":"Mattermost","product":"Mattermost Confluence Plugin","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"1.5.0","versionType":"semver"},{"version":"1.5.0","status":"unaffected"}],"repo":"https://github.com/mattermost/mattermost-plugin-confluence/"}],"references":[{"url":"https://mattermost.com/security-updates"}],"metrics":[{"cvssV3_1":{"attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseSeverity":"HIGH","baseScore":7.5},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1287","lang":"en","type":"CWE","description":"CWE-1287: Improper Validation of Specified Type of Input"}]}],"providerMetadata":{"shortName":"Mattermost","orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateUpdated":"2025-08-11T18:57:06.841Z"},"credits":[{"lang":"en","type":"finder","value":"Lorenzo Gallegos"}],"solutions":[{"value":"Update Mattermost Confluence Plugin to version 1.5.0 or higher.","lang":"en"}],"source":{"advisory":"MMSA-2025-00483","defect":["https://mattermost.atlassian.net/browse/MM-64158"],"discovery":"{\"self\"=>\"https://mattermost.atlassian.net/rest/api/2/customFieldOption/10557\", \"value\"=>\"Internal\", \"id\"=>\"10557\"}"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-11T19:40:47.746540Z","id":"CVE-2025-54525","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-08-11T19:40:57.217Z"}}]}}}