Budibase: Path traversal in plugin file upload enables arbitrary directory deletion and file write

Summary The plugin file upload endpoint POST /api/plugin/upload passes the user-supplied filename directly to createTempFolder without sanitizing path traversal sequences. An attacker with Global Builder privileges can craft a multipart upload with a filename containing ../ to delete arbitrary...

GHSA-2WFH-RCWF-WH23 Budibase: Path traversal in plugin file upload enables arbitrary directory deletion and file write

Summary The plugin file upload endpoint POST /api/plugin/upload passes the user-supplied filename directly to createTempFolder without sanitizing path traversal sequences. An attacker with Global Builder privileges can craft a multipart upload with a filename containing ../ to delete arbitrary...

Parse Server: File upload Content-Type override via extension mismatch

Impact A file can be uploaded with a filename extension that passes the file extension allowlist e.g., .txt but with a Content-Type header that differs from the extension e.g., text/html. The Content-Type is passed to the storage adapter without consistency validation. Storage adapters that store...

PT-2026-30320

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 8.6.73 and 9.7.1-alpha.4 Description A file can be uploaded with a filename extension that passes the file extension allowlist e.g., .txt but with a Content-Type header that differs from the extension e.g.,...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal in the POST multipart upload process. An attacker can write arbitrary files to any existing directory on the filesystem by crafting a specially constructed URL path containing directory traversal sequences and...

PT-2026-30191

Name of the Vulnerable Software and Affected Versions Budibase versions prior to 3.33.4 Description Budibase is an open-source low-code platform. The plugin file upload endpoint, ''/api/plugin/upload'', passes user-supplied filenames directly to the createTempFolder function without sanitizing pa...

CVE-2026-33691

The OWASP core rule set CRS is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions .php, .phar, .jsp, .jspx by inserting whitespace...

UBUNTU-CVE-2026-33691

The OWASP core rule set CRS is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions .php, .phar, .jsp, .jspx by inserting whitespace...

CVE-2026-33691

The CVE-2026-33691 issue affects OWASP CRS prior to versions 3.3.9 and 4.25.0, where whitespace padding in filenames bypasses the file-extension checks for dangerous extensions (.php, .phar, .jsp, .jspx) because the extension regex is not applied after normalizing whitespace. The vulnerability is...

CVE-2026-33691 OWASP CRS: Whitespace padding in filenames bypasses file upload extension checks

The OWASP core rule set CRS is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions .php, .phar, .jsp, .jspx by inserting whitespace...

EUVD-2026-18352

The OWASP core rule set CRS is a set of generic attack detection rules for use with compatible web application firewalls. Prior to versions 3.3.9 and 4.25.0, a bypass was identified in OWASP CRS that allows uploading files with dangerous extensions .php, .phar, .jsp, .jspx by inserting whitespace...

PT-2026-29923

Summary Rack::Multipart::Parser unfolds folded multipart part headers incorrectly. When a multipart header contains an obs-fold sequence, Rack preserves the embedded CRLF in parsed parameter values such as filename or name instead of removing the folded line break during unfolding. As a result,...

CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM Blind XSS

Summary Vulnerability: Stored DOM Blind XSS via Backup Management Filename Persistent Payload Injection - Stored Cross-Site Scripting Blind XSS via Unsanitized Backup Filename in Backup Management Description The application fails to properly sanitize user-controlled input when handling backup...

Cross-site Scripting (XSS)

Overview ci4-cms-erp/ci4ms is a composer create-project ci4-cms-erp/ci4ms Affected versions of this package are vulnerable to Cross-site Scripting XSS via the backup filename field during backup upload and processing. An attacker can execute arbitrary JavaScript in the browsers of privileged user...

GHSA-85M8-G393-JCXF CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM Blind XSS

Summary Vulnerability: Stored DOM Blind XSS via Backup Management Filename Persistent Payload Injection - Stored Cross-Site Scripting Blind XSS via Unsanitized Backup Filename in Backup Management Description The application fails to properly sanitize user-controlled input when handling backup...

EUVD-2026-18019

Payload has Insufficient Filename Validation in Client-Upload Signed-URL Endpoints...

Payload has Insufficient Filename Validation in Client-Upload Signed-URL Endpoints

Impact The client-upload signed-URL endpoints for S3, GCS, Azure, and R2 did not properly sanitize filenames. An attacker could craft filenames to escape the intended storage location. Consumers are affected if ALL of these are true: - Payload version v3.78.0 - Using client-upload signed-URL...

GHSA-FRQ9-7J6G-V74X Payload has Insufficient Filename Validation in Client-Upload Signed-URL Endpoints

Impact The client-upload signed-URL endpoints for S3, GCS, Azure, and R2 did not properly sanitize filenames. An attacker could craft filenames to escape the intended storage location. Consumers are affected if ALL of these are true: - Payload version v3.78.0 - Using client-upload signed-URL...

CVE-2026-34563

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to properly sanitize user-controlled input when handling backup uploads and processing backup metadata. An...

CVE-2026-34750 Payload has Insufficient Filename Validation in Client-Upload Signed-URL Endpoints

Payload is a free and open source headless content management system. Prior to version 3.78.0 in @payloadcms/storage-azure, @payloadcms/storage-gcs, @payloadcms/storage-r2, and @payloadcms/storage-s3, the client-upload signed-URL endpoints for S3, GCS, Azure, and R2 did not properly sanitize...