CVE-2026-102248

HIGH 7.3

Rebuild Login Endpoint login improper authentication

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-287
Vendor	n/a
Product	rebuild
Published	Sep 29, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / Rebuild

4.4.0 4.4.1 4.4.2 4.4.3 4.4.4 4.4.5 4.4.6 4.4.7 4.5.0-beta1 4.5.0-beta2 4.5.0-beta3 4.5.0-beta4 4.5.0-beta5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/411150 vuldb.com: https://vuldb.com/vuln/411150/cti vuldb.com: https://vuldb.com/cve/CVE-2026-102248 vuldb.com: https://vuldb.com/submit/933708 github.com: https://github.com/ASantsSec/CVE/issues/25

Credits

🔍 asants (VulDB User) VulDB CNA Team