Cyber Resilience

CVE-2026-3153

MediumPublic PoC

Published: 25 February 2026

Published
25 February 2026
Modified
25 February 2026
KEV Added
Patch
CVSS Score v4 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0040 31.7th percentile
Risk Priority 35 floored blend · peak EPSS

Summary

CVE-2026-3153 is a medium-severity Injection (CWE-74) vulnerability in Admerc Document Management 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 31.7th 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 SC-7 (Boundary Protection) and SI-10 (Information Input Validation).

Deeper analysis

CVE-2026-3153 is a SQL injection vulnerability (CWE-74, CWE-89) in itsourcecode Document Management System 1.0. The flaw impacts an unknown function within the /register.php file, where manipulation of the Username argument enables SQL injection.

Remote attackers can exploit this vulnerability without authentication or user interaction, requiring only low attack complexity, as reflected in 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). Exploitation allows limited impacts on confidentiality, integrity, and availability through SQL injection.

Advisories referenced in VulDB entries (ctiid.347661, id.347661, submit.758831) and a GitHub issue document the vulnerability, noting that the exploit has been publicly disclosed and may be used. The vendor site at itsourcecode.com provides context on the affected software, but no patches or specific mitigations are detailed in the available references.

The exploit disclosure heightens the risk for exposed instances of Document Management System 1.0, published on 2026-02-25.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

A vulnerability has been found in itsourcecode Document Management System 1.0. Impacted is an unknown function of the file /register.php. Such manipulation of the argument Username leads to sql injection. It is possible to launch the attack remotely. The exploit…

more

has been disclosed to the public and may be used.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Why these techniques?

Unauthenticated SQL injection in public-facing /register.php directly enables initial access via exploitation of a public-facing web application (T1190).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-3068Same product: Admerc Document Management System
CVE-2026-3069Same product: Admerc Document Management System
CVE-2026-3133Same product: Admerc Document Management System
CVE-2026-2217Same vendor: Admerc
CVE-2026-2691Same vendor: Admerc
CVE-2026-2867Same vendor: Admerc
CVE-2026-2689Same vendor: Admerc
CVE-2026-3042Same vendor: Admerc
CVE-2026-2690Same vendor: Admerc
CVE-2026-2116Shared CWE-74, CWE-89

Affected Assets

admerc
document management system
1.0

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

prevent

Directly requires validation of untrusted inputs such as the Username argument in register.php to block SQL injection payloads.

prevent

Boundary protection devices (e.g., WAF rules) can inspect and drop remote SQL injection attempts against /register.php before they reach the application.

prevent

Least-privilege database accounts limit the impact of any successful injection by restricting the operations an unauthenticated attacker can perform.

References