Fake ChatGPT Ad Blocker Chrome Extension Caught Spying on Users

A fake Chrome browser extension called 'ChatGPT Ad Blocker' was harvesting conversations of ChatGPT users in the name of offering an ad-free experience...

CVE-2026-5331

A vulnerability was determined in OpenCart 4.1.0.3. This affects an unknown part of the file installer.php of the component Extension Installer Page. Executing a manipulation can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be...

JLSEC-2026-42

IN THE EXTENSION SCRIPT, a SQL Injection vulnerability was found in PostgreSQL if it uses @extowner@, @extschema@, or @extschema:...@ inside a quoting construct dollar quoting, '', or "". If an administrator has installed files of a vulnerable, trusted, non-bundled extension, an attacker with...

JLSEC-2026-38

A vulnerability was found in PostgreSQL. This attack requires permission to create non-temporary objects in at least one schema, the ability to lure or wait for an administrator to create or update an affected extension in that schema, and the ability to lure or wait for a victim to use the objec...

JLSEC-2026-45

A flaw was found in PostgreSQL involving the pgcancelbackend role that signals background workers, including the logical replication launcher, autovacuum workers, and the autovacuum launcher. Successful exploitation requires a non-core extension with a less-resilient background worker and would...

CVE-2026-33691

A flaw was found in the OWASP core rule set CRS, a set of generic attack detection rules for web application firewalls. A remote attacker could exploit this vulnerability by inserting whitespace padding into filenames during file uploads. This bypasses the file extension checks, allowing the uplo...

PT-2026-30282

Summary The Dockerfile generation function generate containerfile in src/bentoml/ internal/container/generate.py uses an unsandboxed jinja2.Environment with the jinja2.ext.do extension to render user-provided dockerfile template files. When a victim imports a malicious bento archive and runs...

OWASP CRS Arbitrary File Upload

A vulnerability was identified in OWASP CRS where whitespace padding in filenames can bypass file upload extension checks, allowing uploads of dangerous files such as .php, .phar, .jsp, and .jspx. This has been addressed in versions 3.3.9, 4.25.x LTS, and 4.8.x...

GO-2026-4894 Flannel has cross-node remote code execution via extension backend BackendData injection in github.com/flannel-io/flannel

Flannel has cross-node remote code execution via extension backend BackendData injection in github.com/flannel-io/flannel...

EUVD-2026-18499

The Hytale Modding Wiki is a free service for Hytale mods to host their documentation & wikis. In version 1.2.0 and prior, the quickUpload endpoint validates uploaded files by checking their MIME type via PHP's finfo, which inspects file contents but constructs the stored filename using the...

CVE-2026-34735

The CVE concerns Hytale Modding Wiki (version 1.2.0 and prior). The issue resides in the quickUpload() endpoint: MIME-type validation via PHP finfo is performed, but the stored filename is constructed from the client-supplied extension (getClientOriginalExtension()). These independent checks allo...

CVE-2026-34576

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the POST /public/v1/upload-from-url endpoint accepts a user-supplied URL and fetches it server-side using axios.get with no SSRF protections. The only validation is a file extension check .png, .jpg, etc. which is trivially...

CVE-2026-34577 Postiz: Unauthenticated Full-Read SSRF via /public/stream Endpoint with Trivially Bypassable Extension Check

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the GET /public/stream endpoint in PublicController accepts a user-supplied url query parameter and proxies the full HTTP response back to the caller. The only validation is url.endsWith'mp4', which is trivially bypassable by...

CVE-2026-34577 Postiz: Unauthenticated Full-Read SSRF via /public/stream Endpoint with Trivially Bypassable Extension Check

Postiz is an AI social media scheduling tool. Prior to version 2.21.3, the GET /public/stream endpoint in PublicController accepts a user-supplied url query parameter and proxies the full HTTP response back to the caller. The only validation is url.endsWith'mp4', which is trivially bypassable by...

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...

EUVD-2026-18216

A vulnerability was determined in OpenCart 4.1.0.3. This affects an unknown part of the file installer.php of the component Extension Installer Page. Executing a manipulation can lead to path traversal. The attack may be launched remotely. The exploit has been publicly disclosed and may be...

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...

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...