Which versions of PHP are affected by CVE-2026-3736?

A high-severity vulnerability in the Simple Flight Ticket Booking System allows unauthenticated attackers to exploit the SearchResultRoundtrip.php file, potentially compromising flight booking data…

Is there a public PoC exploit available for CVE-2026-3736?

Yes, a public proof-of-concept exploit is available for CVE-2026-3736. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-3736?

Within 24 hours: Identify all systems running Simple Flight Ticket Booking System 1.0 and assess customer data exposure. Within 7 days: Implement network segmentation to restrict access to the booking system and deploy Web Application Firewall rules to block exploitation attempts on SearchResultRoundtrip.php. Within 30 days: Evaluate replacement solutions or request vendor security updates; if the vendor provides a patch, apply immediately after validation testing.

PHP CVE-2026-3736

Q: What is the CVSS score of CVE-2026-3736?

CVE-2026-3736 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)

2026-03-08 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

Mar 09, 2026 - 16:13 vuln.today

Public exploit code

CVE Published

Mar 08, 2026 - 13:16 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability was found in code-projects Simple Flight Ticket Booking System 1.0. Affected by this issue is some unknown functionality of the file SearchResultRoundtrip.php. Performing a manipulation of the argument from results in sql injection. The attack may be initiated remotely. The exploit has been made public and could be used.

AnalysisAI

SQL injection in Simple Flight Ticket Booking System 1.0's SearchResultRoundtrip.php parameter handling enables unauthenticated remote attackers to manipulate database queries and potentially extract, modify, or delete sensitive data. Public exploit code exists for this vulnerability, increasing exploitation risk. …

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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

Craft malicious SQL payload in search parameter

Exploit

Submit request to SearchResultRoundtrip.php

Execution

Execute arbitrary SQL queries

Impact

Extract or modify database records

Access

Craft malicious SQL payload in search parameter

Exploit

Submit request to SearchResultRoundtrip.php

Execution

Execute arbitrary SQL queries

Impact

Extract or modify database records

Vulnerability AssessmentAI

Exploitation	No special conditions — remote unauthenticated exploitation against default configurations of Simple Flight Ticket Booking System 1.0 with SearchResultRoundtrip.php endpoint accessible and accepting unsanitized user input in search parameters. 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 Simple Flight Ticket Booking System 1.0 and assess customer data exposure. …

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

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CVE-2026-3736 vulnerability details – vuln.today

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PHP CVE-2026-3736

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