November 13, 2026

CVE Watchtower

CVE-2026-125372getrebuild rebuild Authorization Bypass Through User-Controlled Key

NVD

Vulnerability Summary

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.
Severity Level
MEDIUM(5.3)
Published Date
Nov 9, 2026
Last Modified
Nov 10, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.30%Probability
Root Weakness (CWE)
CWE-639: Authorization Bypass Through User-Controlled Key ↗
The system does not prevent one user from accessing another user data or record by modifying the key value identifying the data.
CVSS v4.0 Base Metrics — Score 5.3 (MEDIUM)
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
Attack VectorNetwork
Attack ComplexityLow
Attack RequirementsNone
Privileges RequiredLow
User InteractionNone
Confidentiality (Vulnerable System)Low
Integrity (Vulnerable System)None
Availability (Vulnerable System)None
Confidentiality (Subsequent System)None
Integrity (Subsequent System)None
Availability (Subsequent System)None
Show CVSS v3.x metrics (score 4.3)
CVSS v3.1 Base Metrics — Score 4.3 (MEDIUM)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • getrebuild rebuild < 4.5.3
Patched Versions
  • getrebuild rebuild 4.5.3

What to do

Fix it during your normal patch cycle. No exploitation is confirmed yet.

  1. Check whether you run getrebuild rebuild and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • Nov 9, 2026Published
  • Nov 10, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

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External References

Data last checked: Nov 13, 2026 19:14 UTC