CVE-2026-2166
Published: 08 February 2026
Summary
CVE-2026-2166 is a medium-severity Injection (CWE-74) vulnerability in Fabian Online Reviewer System. Its CVSS base score is 6.9 (Medium).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 33.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and AC-3 (Access Enforcement).
Deeper analysis
CVE-2026-2166 is a SQL injection vulnerability (CWE-74, CWE-89) in code-projects Online Reviewer System 1.0. It affects an unknown function in the file /login/index.php within the Login component, where manipulation of the username and password arguments triggers the injection.
The vulnerability enables remote exploitation by unauthenticated attackers requiring low complexity and no user interaction, per its CVSS v3.1 base score of 7.3 (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L). Attackers can achieve limited impacts on confidentiality, integrity, and availability.
Advisories and details are documented in references including VulDB entries (https://vuldb.com/?ctiid.344868, https://vuldb.com/?id.344868, https://vuldb.com/?submit.750018), a GitHub issue (https://github.com/liaoliao-hla/cve/issues/2), and the project site (https://code-projects.org/).
The exploit has been publicly disclosed and may be used in attacks.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-5783
Vulnerability details
A security vulnerability has been detected in code-projects Online Reviewer System 1.0. The affected element is an unknown function of the file /login/index.php of the component Login. The manipulation of the argument username/password leads to sql injection. The attack is…
more
possible to be carried out remotely. The exploit has been disclosed publicly and may be used.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
SQL injection in unauthenticated login endpoint of a public web application directly enables remote exploitation of a public-facing app (T1190).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Requires validation of username/password inputs to /login/index.php, directly blocking SQL injection payloads before they reach the database.
Enforces correct access decisions for the Login component so that unauthenticated remote users cannot bypass authentication via crafted SQL statements.
Enables monitoring of login requests and anomalous SQL patterns originating from the publicly disclosed exploit against /login/index.php.