{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42071","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-23T19:17:30.564Z","datePublished":"2026-05-28T20:29:20.361Z","dateUpdated":"2026-05-29T13:56:52.065Z"},"containers":{"cna":{"title":"MantisBT: Private Bugnote Attachment Content Leak via REST API","problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.2,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-pw5x-2mf9-3xc8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-pw5x-2mf9-3xc8"},{"name":"https://github.com/mantisbt/mantisbt/commit/029d9d203d9e4ae96b3e59d552fa7395cc1e5071","tags":["x_refsource_MISC"],"url":"https://github.com/mantisbt/mantisbt/commit/029d9d203d9e4ae96b3e59d552fa7395cc1e5071"},{"name":"https://mantisbt.org/bugs/view.php?id=27039","tags":["x_refsource_MISC"],"url":"https://mantisbt.org/bugs/view.php?id=27039"},{"name":"https://mantisbt.org/bugs/view.php?id=36985","tags":["x_refsource_MISC"],"url":"https://mantisbt.org/bugs/view.php?id=36985"},{"name":"https://mantisbt.org/bugs/view.php?id=37092","tags":["x_refsource_MISC"],"url":"https://mantisbt.org/bugs/view.php?id=37092"}],"affected":[{"vendor":"mantisbt","product":"mantisbt","versions":[{"version":">= 2.23.0, < 2.28.2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-28T20:29:20.361Z"},"descriptions":[{"lang":"en","value":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 2.23.0 to 2.28.1, a missing authorization check in MantisBT's file visibility function allows any authenticated user (REPORTER+) to download attachments on private bugnotes they should not be able to access, via the REST API endpoint GET /api/rest/issues/{id}/files and SOAP API mc_issue_attachment_get endpoint. This vulnerability is fixed in 2.28.2."}],"source":{"advisory":"GHSA-pw5x-2mf9-3xc8","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-29T13:56:42.128313Z","id":"CVE-2026-42071","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-29T13:56:52.065Z"}}]}}