5.3
MEDIUM CVSS 4.0
CVE-2026-125372
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.

INFO

Published Date :

Nov. 10, 2026, 12:17 a.m.

Last Modified :

Nov. 10, 2026, 12:17 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-125372 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Getrebuild rebuild
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update REBUILD to version 4.5.3 or later to address the authorization bypass.
  • Update REBUILD to version 4.5.3 or later.
  • Apply vendor patches for the authorization bypass.
  • Review access controls for feeds and comments.
  • Audit user privileges and permissions.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-125372 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-125372 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-125372 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-125372 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 10, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
    Added CWE CWE-639
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/125xxx/CVE-2026-125372.json">CVE-2026-125372</a>
    Added Reference https://github.com/getrebuild/rebuild
    Added Reference https://github.com/getrebuild/rebuild/blob/af00afcc22476b889c06c3db6032fd94a1454cfa/src/main/java/com/rebuild/web/feeds/FeedsListController.java#L190-L194
    Added Reference https://github.com/getrebuild/rebuild/commit/03959a464164e12e87443c689043ceccf56044f3
    Added Reference https://github.com/getrebuild/rebuild/issues/1139
    Added Reference https://github.com/getrebuild/rebuild/releases/tag/4.5.3
    Added Reference https://www.vulncheck.com/advisories/rebuild-before-4.5.3-authorization-bypass-via-feeds-details-and-comments-endpoints
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.