CVE-2026-30522 is a business logic vulnerability in SourceCodester Loan Management System v1.0, stemming from improper server-side validation that allows authenticated administrators to set negative monthly overdue penalty rates. Rated Medium (CVSS 6.5), this flaw can be exploited by a low-privileged, authenticated attacker over the network with low complexity, leading to a high integrity impact by manipulating loan plan penalties. Exploitation requires bypassing client-side restrictions through HTTP POST request manipulation. There is currently no evidence of active exploitation, public exploit code, or significant community discussion regarding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0CPE matchmatch criteria | cpe:2.3:a:oretnom23:loan_management_system:1.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.