Rebuild Login Endpoint login improper authentication
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.
CVE-2026-102248
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-102248
Rebuild
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"cpes": [
"cpe:2.3:a:rebuild:rebuild:*:*:*:*:*:*:*:*"
],
"vendor": "n/a",
"modules": [
"Login Endpoint"
],
"product": "Rebuild",
"versions": [
{
"status": "affected",
"version": "4.4.0"
},
{
"status": "affected",
"version": "4.4.1"
},
{
"status": "affected",
"version": "4.4.2"
},
{
"status": "affected",
"version": "4.4.3"
},
{
"status": "affected",
"version": "4.4.4"
},
{
"status": "affected",
"version": "4.4.5"
},
{
"status": "affected",
"version": "4.4.6"
},
{
"status": "affected",
"version": "4.4.7"
},
{
"status": "affected",
"version": "4.5.0-beta1"
},
{
"status": "affected",
"version": "4.5.0-beta2"
},
{
"status": "affected",
"version": "4.5.0-beta3"
},
{
"status": "affected",
"version": "4.5.0-beta4"
},
{
"status": "affected",
"version": "4.5.0-beta5"
}
]
}
]- Related CVEs
- CVE-2026-102248
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #3858 · Revision 1
- Added to Heist Feed
- Publisher date