CVE-2026-125372

EUVD-2026-120535
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 22.63%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
getrebuildrebuild
𝑥
< 4.5.3
CNA
Common Weakness Enumeration
References
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/issues/1139
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