Which versions of PHP are affected by CVE-2026-1594?

A high-severity vulnerability exists in the itsourcecode Society Management System affecting the expense administration module, with public exploits already available.

Is there a public PoC exploit available for CVE-2026-1594?

Yes, a public proof-of-concept exploit is available for CVE-2026-1594. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-1594?

Within 24 hours: Isolate affected systems from production networks and disable the /admin/add_expenses.php functionality if operationally feasible; audit recent expense transactions for unauthorized modifications. Within 7 days: Implement Web Application Firewall (WAF) rules to restrict access to the vulnerable endpoint and deploy input validation filters; conduct full access review of admin accounts. Within 30 days: Evaluate replacement solutions or request an emergency patch from itsourcecode; if no patch is released, plan system decommissioning or complete replacement.

PHP CVE-2026-1594

Q: What is the CVSS score of CVE-2026-1594?

CVE-2026-1594 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)

2026-01-29 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 - 22:00 vuln.today

PoC Detected

Feb 02, 2026 - 20:53 vuln.today

Public exploit code

CVE Published

Jan 29, 2026 - 15:16 nvd

HIGH 7.3

DescriptionCVE.org

A security vulnerability has been detected in itsourcecode Society Management System 1.0. Affected by this issue is some unknown functionality of the file /admin/add_expenses.php. The manipulation of the argument detail leads to sql injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

AnalysisAI

SQL injection in itsourcecode Society Management System 1.0's expense administration interface allows unauthenticated remote attackers to manipulate the detail parameter and execute arbitrary database 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 /admin/add_expenses.php

Exploit

Inject SQL payload in detail parameter

Execution

Execute arbitrary SQL queries

Impact

Extract or modify database contents

Access

Send crafted HTTP request to /admin/add_expenses.php

Exploit

Inject SQL payload in detail parameter

Execution

Execute arbitrary SQL queries

Impact

Extract or modify database contents

Vulnerability AssessmentAI

Exploitation	itsourcecode Society Management System 1.0 with /admin/add_expenses.php endpoint accessible. … 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 (requires authentication) 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: Isolate affected systems from production networks and disable the /admin/add_expenses.php functionality if operationally feasible; audit recent expense transactions for unauthorized modifications. …

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

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CVE-2026-1594 vulnerability details – vuln.today

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PHP CVE-2026-1594

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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Attack ChainAIDerived

Vulnerability AssessmentAI

Recommended ActionAI

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External POC / Exploit Code