{"id":"CVE-2026-125372","state":"PUBLISHED","title":"REBUILD before 4.5.3 Authorization Bypass via Feeds Details and Comments Endpoints","description":"REBUILD before 4.5.3 contains an authorization bypass vulnerability in FeedsListController fetchDetails and fetchComments that skips privilege filtering and FeedsHelper.checkReadable checks. Authenticated attackers can enumerate sequential IDs via the feeds-details and comments-list endpoints to read private or team-scoped feed content, images, attachments and comments.","publishedAt":"2026-11-09T23:27:43.313Z","updatedAt":"2026-11-09T23:27:43.313Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["getrebuild rebuild"],"affected":[{"vendor":"getrebuild","product":"rebuild","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.5.3","versionType":"semver"}]}],"references":["https://github.com/getrebuild/rebuild/issues/1139","https://github.com/getrebuild/rebuild","https://github.com/getrebuild/rebuild/blob/af00afcc22476b889c06c3db6032fd94a1454cfa/src/main/java/com/rebuild/web/feeds/FeedsListController.java#L190-L194","https://github.com/getrebuild/rebuild/commit/03959a464164e12e87443c689043ceccf56044f3","https://github.com/getrebuild/rebuild/releases/tag/4.5.3","https://www.vulncheck.com/advisories/rebuild-before-4.5.3-authorization-bypass-via-feeds-details-and-comments-endpoints"],"weaknesses":["CWE-639"],"ingestedAt":"2026-11-09T23:36:06.628Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/125xxx/CVE-2026-125372.json","commit":"b5e35fd13cceb3fc2d7ace24f43c95cd80e7dc5f","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-125372","state":"PUBLISHED","datePublished":"2026-11-09T23:27:43.313Z","dateUpdated":"2026-11-09T23:27:43.313Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-11-09T22:03:04.685Z"},"containers":{"cna":{"title":"REBUILD before 4.5.3 Authorization Bypass via Feeds Details and Comments Endpoints","descriptions":[{"lang":"en","value":"REBUILD before 4.5.3 contains an authorization bypass vulnerability in FeedsListController fetchDetails and fetchComments that skips privilege filtering and FeedsHelper.checkReadable checks. Authenticated attackers can enumerate sequential IDs via the feeds-details and comments-list endpoints to read private or team-scoped feed content, images, attachments and comments."}],"affected":[{"vendor":"getrebuild","product":"rebuild","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.5.3","versionType":"semver"}]}],"references":[{"url":"https://github.com/getrebuild/rebuild/issues/1139","tags":["issue-tracking"],"name":"GitHub Issue #1139"},{"url":"https://github.com/getrebuild/rebuild","tags":["product"]},{"url":"https://github.com/getrebuild/rebuild/blob/af00afcc22476b889c06c3db6032fd94a1454cfa/src/main/java/com/rebuild/web/feeds/FeedsListController.java#L190-L194","tags":["technical-description"]},{"url":"https://github.com/getrebuild/rebuild/commit/03959a464164e12e87443c689043ceccf56044f3","tags":["patch"]},{"url":"https://github.com/getrebuild/rebuild/releases/tag/4.5.3","tags":["release-notes"],"name":"rebuild v4.5.3 Release Notes"},{"url":"https://www.vulncheck.com/advisories/rebuild-before-4.5.3-authorization-bypass-via-feeds-details-and-comments-endpoints","name":"VulnCheck Advisory: REBUILD before 4.5.3 Authorization Bypass via Feeds Details and Comments Endpoints","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-11-09T23:27:43.313Z"},"datePublic":"2026-10-22T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:getrebuild:rebuild:*:*:*:*:*:*:*:*","versionEndExcluding":"4.5.3"}]}]}],"credits":[{"lang":"en","value":"hieuPenguinnn","type":"finder"}],"x_generator":{"engine":"vulncheck-endgame"}}}}}