Kestra: SSRF via Pebble http() function allows unauthenticated access to internal services & cloud metadata

Summary The Pebble template engine's http function in Kestra OSS accepts user-controlled URLs without any validation, allowing Server-Side Request Forgery SSRF attacks. An unauthenticated attacker can import a malicious Flow YAML and execute it to access internal services, cloud metadata endpoint...

PT-2026-89215

Name of the Vulnerable Software and Affected Versions OpenHop versions prior to 0.3.7 Description An unauthenticated path traversal issue exists in @openhop/server where unsanitized route parameters are passed to the FlowStore.filePath function in packages/server/src/store.ts. The application use...

CVE-2026-33664 Kestra Vulnerable to Stored Cross-Site Scripting via Flow YAML Fields

Kestra is an open-source, event-driven orchestration platform Versions up to and including 1.3.3 render user-supplied flow YAML metadata fields — description, inputs.displayName, inputs.description — through the Markdown.vue component instantiated with html: true. The resulting HTML is injected...

CVE-2026-33664 Kestra Vulnerable to Stored Cross-Site Scripting via Flow YAML Fields

Kestra is an open-source, event-driven orchestration platform Versions up to and including 1.3.3 render user-supplied flow YAML metadata fields — description, inputs.displayName, inputs.description — through the Markdown.vue component instantiated with html: true. The resulting HTML is injected...