Which versions of PHP are affected by CVE-2026-2689?

A high-severity vulnerability in the Event Management System 1.0 admin booking module poses a significant risk to our event data and operational integrity.

Is there a public PoC exploit available for CVE-2026-2689?

Yes, a public proof-of-concept exploit is available for CVE-2026-2689. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-2689?

Within 24 hours: Inventory all systems running Event Management System 1.0 and restrict network access to /admin/manage_booking.php to authorized personnel only. Within 7 days: Deploy WAF rules to block malicious payloads targeting this endpoint and consider disabling the booking feature if operationally feasible. Within 30 days: Prepare for immediate patching upon vendor release, establish contact with the vendor for patch timeline estimates, and evaluate alternative event management solutions as contingency.

PHP CVE-2026-2689

Q: What is the CVSS score of CVE-2026-2689?

CVE-2026-2689 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)

2026-02-19 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 - 22:03 vuln.today

PoC Detected

Feb 24, 2026 - 20:41 vuln.today

Public exploit code

CVE Published

Feb 19, 2026 - 07:17 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was detected in itsourcecode Event Management System 1.0. Affected is an unknown function of the file /admin/manage_booking.php. The manipulation of the argument ID results in sql injection. The attack may be performed from remote. The exploit is now public and may be used.

AnalysisAI

SQL injection in itsourcecode Event Management System 1.0's booking management interface allows unauthenticated remote attackers to manipulate database queries via the ID parameter in /admin/manage_booking.php. Public exploit code exists for this vulnerability, enabling potential unauthorized data access and modification. …

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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 HTTP request with SQL payload in ID parameter

Exploit

SQL injection executes in manage_booking.php

Impact

Attacker extracts or modifies database records

Access

Send HTTP request with SQL payload in ID parameter

Exploit

SQL injection executes in manage_booking.php

Impact

Attacker extracts or modifies database records

Vulnerability AssessmentAI

Exploitation	Direct remote access to /admin/manage_booking.php with unsanitized ID parameter processing. … 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: Inventory all systems running Event Management System 1.0 and restrict network access to /admin/manage_booking.php to authorized personnel only. …

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

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CVE-2026-2689 vulnerability details – vuln.today

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PHP CVE-2026-2689

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