All vulnerabilities
CVE-2026-102248

Rebuild Login Endpoint login improper authentication

n/a Rebuild
Open in ThreatlineRecord JSON
CVSS
6.9Medium
ExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 29 Sep 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.38%Chance of exploitation activity in the next 30 days, higher than 31% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published29 Sep 2026Updated 29 Sep 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

Description

A vulnerability was identified in Rebuild up to 4.4.7/4.5.0-beta5. This affects an unknown part of the file /user/login of the component Login Endpoint. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Text from CVE List

Affected versions 13

  • Rebuildaffected: 4.4.0CVE List
  • Rebuildaffected: 4.4.1CVE List
  • Rebuildaffected: 4.4.2CVE List
  • Rebuildaffected: 4.4.3CVE List
  • Rebuildaffected: 4.4.4CVE List
  • Rebuildaffected: 4.4.5CVE List
  • Rebuildaffected: 4.4.6CVE List
  • Rebuildaffected: 4.4.7CVE List
  • Rebuildaffected: 4.5.0-beta1CVE List
  • Rebuildaffected: 4.5.0-beta2CVE List
  • Rebuildaffected: 4.5.0-beta3CVE List
  • Rebuildaffected: 4.5.0-beta4CVE List
  • Rebuildaffected: 4.5.0-beta5CVE List

References 5