CVE-2026-39559: CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') in codesupplyco Uppercase
CVE-2026-39559 is a high severity vulnerability affecting codesupplyco's Uppercase product versions prior to 1.2.2. It involves an unauthenticated Local File Inclusion (LFI) issue, classified under CWE-98, which relates to improper control of filenames in include/require statements in PHP programs. This vulnerability allows an attacker to include local files on the server without authentication. The vulnerability has a CVSS 3.1 base score of 8.1, indicating a high impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
The vulnerability CVE-2026-39559 in codesupplyco Uppercase versions before 1.2.2 is an unauthenticated Local File Inclusion (LFI) flaw stemming from improper control of filenames used in PHP include or require statements (CWE-98). This flaw can allow remote attackers to include and execute arbitrary local files on the affected system, potentially leading to full compromise of confidentiality, integrity, and availability. The CVSS 3.1 score of 8.1 reflects the high severity of this issue. No patch or official remediation level has been provided by the vendor as of the publication date.
Potential Impact
Successful exploitation of this vulnerability could allow unauthenticated attackers to include arbitrary local files on the server running Uppercase versions prior to 1.2.2. This can lead to disclosure of sensitive information, code execution, and full system compromise, impacting confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting access to vulnerable installations, applying web application firewalls with rules targeting LFI attempts, and monitoring for suspicious activity related to file inclusion attempts. Avoid exposing vulnerable versions to untrusted networks.
CVE-2026-39559: CWE-98 Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') in codesupplyco Uppercase
Description
CVE-2026-39559 is a high severity vulnerability affecting codesupplyco's Uppercase product versions prior to 1.2.2. It involves an unauthenticated Local File Inclusion (LFI) issue, classified under CWE-98, which relates to improper control of filenames in include/require statements in PHP programs. This vulnerability allows an attacker to include local files on the server without authentication. The vulnerability has a CVSS 3.1 base score of 8.1, indicating a high impact on confidentiality, integrity, and availability. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.
CVSS v3.1
Score 8.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-39559 in codesupplyco Uppercase versions before 1.2.2 is an unauthenticated Local File Inclusion (LFI) flaw stemming from improper control of filenames used in PHP include or require statements (CWE-98). This flaw can allow remote attackers to include and execute arbitrary local files on the affected system, potentially leading to full compromise of confidentiality, integrity, and availability. The CVSS 3.1 score of 8.1 reflects the high severity of this issue. No patch or official remediation level has been provided by the vendor as of the publication date.
Potential Impact
Successful exploitation of this vulnerability could allow unauthenticated attackers to include arbitrary local files on the server running Uppercase versions prior to 1.2.2. This can lead to disclosure of sensitive information, code execution, and full system compromise, impacting confidentiality, integrity, and availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider restricting access to vulnerable installations, applying web application firewalls with rules targeting LFI attempts, and monitoring for suspicious activity related to file inclusion attempts. Avoid exposing vulnerable versions to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-04-07T10:48:26.893Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a32a89d0b89be6888635d36
Added to database: 06/17/2026, 14:01:01 UTC
Last enriched: 06/24/2026, 16:38:38 UTC
Last updated: 08/01/2026, 14:48:12 UTC
Views: 63
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