Which versions of PHP are affected by CVE-2026-3133?

A high-severity vulnerability in itsourcecode Document Management System 1.0 affects the login authentication mechanism, potentially allowing unauthorized access to sensitive documents and business…

Is there a public PoC exploit available for CVE-2026-3133?

Yes, a public proof-of-concept exploit is available for CVE-2026-3133. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3133?

Within 24 hours: Identify all systems running itsourcecode DMS 1.0 and isolate them from production networks if possible; enable enhanced logging on affected systems. Within 7 days: Implement network segmentation to restrict access to the login endpoint and deploy WAF rules to block known exploit patterns; consider disabling remote access to /login.php if not critical. Within 30 days: Contact vendor for patch timeline; evaluate alternative document management solutions if patch is not forthcoming; conduct security audit of affected systems for unauthorized access.

PHP CVE-2026-3133

Q: What is the CVSS score of CVE-2026-3133?

CVE-2026-3133 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: 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 exploitation probability: 0.0%.

MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2026-02-25 cna@vuldb.com

PHP SQLi

5.5

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 01:11 NVD

7.3 (HIGH) 5.5 (MEDIUM)

Analysis Generated

Mar 12, 2026 - 21:55 vuln.today

PoC Detected

Feb 25, 2026 - 20:25 vuln.today

Public exploit code

CVE Published

Feb 25, 2026 - 00:16 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability has been found in itsourcecode Document Management System 1.0. This issue affects some unknown processing of the file /loging.php of the component Login. The manipulation of the argument Username leads to sql injection. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.

AnalysisAI

SQL injection in itsourcecode Document Management System 1.0 login functionality allows unauthenticated remote attackers to manipulate the Username parameter and execute arbitrary SQL queries. Public exploit code exists for this vulnerability, and no patch is currently available. …

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Risk assessment & exploitation conditions
Attack chain visualization
Remediation with exact patch versions
Threat intelligence from 22 sources
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Send crafted HTTP request to /loging.php

Exploit

Inject SQL payload in Username parameter

Execution

Execute arbitrary SQL queries

Impact

Extract sensitive data from database

Access

Send crafted HTTP request to /loging.php

Exploit

Inject SQL payload in Username parameter

Execution

Execute arbitrary SQL queries

Impact

Extract sensitive data from database

Vulnerability AssessmentAI

Exploitation	itsourcecode Document Management System 1.0 with /loging.php login component vulnerable to SQL injection. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 7.3 (HIGH). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this flaw, sql injection.
Remediation	Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all systems running itsourcecode DMS 1.0 and isolate them from production networks if possible; enable enhanced logging on affected systems. …

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-3133 vulnerability details – vuln.today

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PHP CVE-2026-3133

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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Attack ChainAIDerived

Vulnerability AssessmentAI

Recommended ActionAI

More from same product – last 7 days

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External POC / Exploit Code