CVE-2026-125372

MEDIUM 4.3

REBUILD before 4.5.3 Authorization Bypass via Feeds Details and Comments Endpoints

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639
Vendor	getrebuild
Product	rebuild
Published	Nov 9, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

getrebuild / rebuild

0 < 4.5.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/getrebuild/rebuild/issues/1139 github.com: https://github.com/getrebuild/rebuild github.com: https://github.com/getrebuild/rebuild/blob/af00afcc22476b889c06c3db6032fd94a1454cfa/src/main/java/com/rebuild/web/feeds/FeedsListController.java#L190-L194 github.com: https://github.com/getrebuild/rebuild/commit/03959a464164e12e87443c689043ceccf56044f3 github.com: https://github.com/getrebuild/rebuild/releases/tag/4.5.3 vulncheck.com: https://www.vulncheck.com/advisories/rebuild-before-4.5.3-authorization-bypass-via-feeds-details-and-comments-endpoints

Credits

hieuPenguinnn