CVE-2026-68518

A flaw was found in Glances, an open-source system monitoring tool. This vulnerability allows an attacker to bypass input sanitization by using adjacent unescaped Mustache variables. When an administrator-configured action template renders attacker-controlled process or container fields, these...

CVE-2026-63466

Unleash is an open-source feature management platform. Prior to 8.0.3, FeatureEventFormatterMd.format in src/lib/addons/feature-event-formatter-md.ts assigns Mustache.escape to an identity function before rendering action and path templates. Because Mustache.escape is process-wide, the assignment...

Unleash: Global Mustache.escape override disables HTML escaping process-wide, enabling Slack/Teams link-injection via unrestricted username

Vulnerability Details File: src/lib/addons/feature-event-formatter-md.ts Line: 355 in v8.0.1; format method Root Cause FeatureEventFormatterMd.format does: ts Mustache.escape = text = text; const text = Mustache.renderaction, context; mustache pinned ^4.2.0, confirmed installed 4.2.0 keeps escape...

CVE-2026-63466 Unleash: Global Mustache.escape override disables HTML escaping process-wide, enabling Slack/Teams link-injection via unrestricted username

Unleash is an open-source feature management platform. Prior to 8.0.3, FeatureEventFormatterMd.format in src/lib/addons/feature-event-formatter-md.ts assigns Mustache.escape to an identity function before rendering action and path templates. Because Mustache.escape is process-wide, the assignment...

EUVD-2026-64042

Unleash is an open-source feature management platform. Prior to 8.0.3, FeatureEventFormatterMd.format in src/lib/addons/feature-event-formatter-md.ts assigns Mustache.escape to an identity function before rendering action and path templates. Because Mustache.escape is process-wide, the assignment...

CVE-2026-63466

Unleash (open-source feature management platform) is affected by a global Mustache.escape override in versions prior to 8.0.3 . The FeatureEventFormatterMd.format function in feature-event-formatter-md.ts assigns Mustache.escape to an identity function before rendering templates. Because this ass...

CVE-2026-63466 Unleash: Global Mustache.escape override disables HTML escaping process-wide, enabling Slack/Teams link-injection via unrestricted username

Unleash is an open-source feature management platform. Prior to 8.0.3, FeatureEventFormatterMd.format in src/lib/addons/feature-event-formatter-md.ts assigns Mustache.escape to an identity function before rendering action and path templates. Because Mustache.escape is process-wide, the assignment...

CVE-2026-68518

Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.6, sanitizemustachedict in glances/actions.py sanitizes individual Mustache values before chevron.render, allowing adjacent unescaped Mustache variables to reconstruct shell operators that securepopen executes when...

CVE-2026-68518

Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.6, sanitizemustachedict in glances/actions.py sanitizes individual Mustache values before chevron.render, allowing adjacent unescaped Mustache variables to reconstruct shell operators that securepopen executes when...

Glances has a command injection bypass of action-template sanitizer via cross-field shell-operator reconstruction

Summary The Glances action system lets an administrator configure shell commands that run when a monitoring threshold is crossed. The command is a Mustache template whose variables are filled with runtime stat fields such as a process name, a container name or a filesystem mount point. Those fiel...

CVE-2026-68518 Glances: Command injection bypass of action-template sanitizer via cross-field shell-operator reconstruction

Glances is an open-source system cross-platform monitoring tool. Prior to 4.5.6, sanitizemustachedict in glances/actions.py sanitizes individual Mustache values before chevron.render, allowing adjacent unescaped Mustache variables to reconstruct shell operators that securepopen executes when...

CVE-2026-68518

Glances ≤ 4.5.5 has a command injection bypass in its action-template sanitizer. The function _sanitize_mustache_dict() in glances/actions.py strips shell operators (&&, |, >>, >) from each Mustache value individually before rendering, but does not strip a lone &. When an administrator-c...

PYSEC-2026-1518 LangChain Vulnerable to Template Injection via Attribute Access in Prompt Templates

Context A template injection vulnerability exists in LangChain's prompt template system that allows attackers to access Python object internals through template syntax. This vulnerability affects applications that accept untrusted template strings not just template variables in ChatPromptTemplate...

A Kid With a Fake Mustache Tricked an Online Age-Verification Tool

To stop children from bypassing its age checks, Meta is revamping its age-verification tools with an AI system that analyzes images and videos for “visual cues,” such as height and bone structure...

CVE-2026-35571

Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, Mustache navigation templates interpolated configuration-controlled link values directly into href attributes without URL scheme validation. An administrator who could modify the navItems configuration could inject javascript:...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the rendering of Mustache navigation templates when user-controlled values are interpolated into the href attribute without proper URL scheme validation. An attacker can execute arbitrary JavaScript in the...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS in the rendering of Mustache navigation templates when user-controlled values are interpolated into the href attribute without proper URL scheme validation. An attacker can execute arbitrary JavaScript in the...

CVE-2026-35571

Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, Mustache navigation templates interpolated configuration-controlled link values directly into href attributes without URL scheme validation. An administrator who could modify the navItems configuration could inject javascript:...

CVE-2026-35571

Emissary is a P2P based data-driven workflow engine. Prior to 8.39.0, Mustache navigation templates interpolated configuration-controlled link values directly into href attributes without URL scheme validation. An administrator who could modify the navItems configuration could inject javascript:...

CVE-2026-35571

CVE-2026-35571 affects Emissary prior to 8.39.0. Mustache navigation templates interpolated config-controlled link values directly into href attributes without URL scheme validation, allowing an administrator with navItems access to inject javascript: URIs and trigger stored XSS against other aut...