CVE-2026-53576

Kestra prior to versions 1.0.45 and 1.3.21 contained an authentication filter bypass on the REST API. Requests whose path ends in /configs were treated as the public instance-config endpoint and forwarded without credential checks, allowing anonymous access to resources such as /api/v1/{tenant}/f...

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...

PT-2026-28508

Name of the Vulnerable Software and Affected Versions Kestra versions up to and including 1.3.3 Description 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,...

CVE-2025-53543

Kestra is an event-driven orchestration platform. The error message in execution "Overview" tab is vulnerable to stored XSS due to improper handling of HTTP response received. This vulnerability is fixed in 0.22.0...

CVE-2025-53543 Kestra allows Stored XSS before 0.22

Kestra is an event-driven orchestration platform. The error message in execution "Overview" tab is vulnerable to stored XSS due to improper handling of HTTP response received. This vulnerability is fixed in 0.22.0...