PYSEC-2026-3466 Flask-Reuploaded: Extension-denylist bypass via case-folding asymmetry in name-override path (incomplete-fix variant of CVE-2026-27641)

Header | Field | Value | |---|---| | Title | Extension-denylist bypass via case-folding asymmetry in name-override path incomplete-fix variant of CVE-2026-27641 | | Project | Flask-Reuploaded flaskuploads | | Affected | extension"shell.php" = "php" - extensionallowed"php" - DENY correct...

GHSA-937X-GPQR-72GG Flask-Reuploaded: Extension-denylist bypass via case-folding asymmetry in name-override path (incomplete-fix variant of CVE-2026-27641)

Header | Field | Value | |---|---| | Title | Extension-denylist bypass via case-folding asymmetry in name-override path incomplete-fix variant of CVE-2026-27641 | | Project | Flask-Reuploaded flaskuploads | | Affected | extension"shell.php" = "php" - extensionallowed"php" - DENY correct...

Flask-Reuploaded: Extension-denylist bypass via case-folding asymmetry in name-override path (incomplete-fix variant of CVE-2026-27641)

Header | Field | Value | |---|---| | Title | Extension-denylist bypass via case-folding asymmetry in name-override path incomplete-fix variant of CVE-2026-27641 | | Project | Flask-Reuploaded flaskuploads | | Affected | extension"shell.php" = "php" - extensionallowed"php" - DENY correct...

PT-2026-60901

Name of the Vulnerable Software and Affected Versions Flask-Reuploaded versions prior to 1.5.1 Description An issue exists in the UploadSet.save function where the name parameter can be used to bypass extension denylists. When a user provides a name override, the system performs re-validation usi...

CVE-2026-53537

Python-Multipart is a streaming multipart parser for Python. Prior to 0.0.30, parseoptionsheader parsed Content-Disposition and Content-Type headers with email.message.Message, which transparently applies RFC 2231/5987 decoding. The extended parameter syntax filename=charset'lang'value, name=...,...

Envoy AI Proxy - MCP Message Smuggling Vulnerability

Envoy AI Gateway was found to be affected by a protocol parser differential vulnerability due to improper implementation of the JSON-RPC 2.0 specification. Such differential causes a MCP message alteration, potentially causing a bypass of security controls in a multi-layered architecture. Accordi...

EUVD-2022-15449

Malicious code in bioql PyPI...

ctorName in index.js in kind-of v6.0.2 allows external user input to overwrite certain internal attributes via a conflicting name as demonstrated by 'constructor': {'name':'Symbol'}. Hence a crafted payload can overwrite this builtin attribute to manipulate the type detection result.

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CVE-2022-0270

Prior to v0.6.1, bored-agent failed to sanitize incoming kubernetes impersonation headers allowing a user to override assigned user name and groups...