Kestra <= 1.3.20 - Remote Code Execution

Kestra = 1.3.20 contains an authentication bypass caused by misclassification of /configs endpoint in REST API filter, letting unauthenticated attackers create and execute root-level tasks, exploit requires unauthenticated access to /configs endpoint. id: CVE-2026-53576 info: name: Kestra = 1.3.2...

CVE-2026-49869

Escáner de Kestra CVE-2026-49869 / CVE-2026-53576 Escanea instancias de Kestra para detectar la omisión del filtro de autenticación endsWith"/configs". El AuthenticationFilter.java de Kestra verifica request.getPath.endsWith"/configs" en lugar de coincidir con la ruta exacta /api/v1/configs. Dado...

CVE-2026-53576

Kestra Unauthenticated RCE Exploit CVE-2026-53576 Critical Authentication Bypass leading to Unauthenticated Remote Code Execution Exploit • Vulnerability Details • Impact • Remediation ⚠️ DISCLAIMER This tool is for educational and authorized security testing purposes only. DO NOT use this against...

Kestra OSS OS Command Injection Vulnerability

Kestra OSS contains an OS command injection vulnerability that could allow an unauthenticated remote attacker to create and execute arbitrary workflows without credentials...

VulnCheck KEV: CVE-2026-49869

Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, AuthenticationFilter in Kestra OSS uses request.getPath.endsWith"/configs" to whitelist the public configuration endpoint from Basic Auth. Because the check is a suffix match rather than an exact path match...

CVE-2026-55839

creationtimestamp| type| source ---|---|--- 2026-08-18 18:35:18+00:00| published-proof-of-concept| https://github.com/kestra-io/kestra/security/advisories/GHSA-34pm-923j-7wf8...

GHSA-34PM-923J-7WF8 Kestra vulnerable to stored XSS via custom Markdown [[link]] attribute injection

Summary Kestra’s Markdown renderer supports a custom link ... syntax that is converted into a custom HTML element. The custom Markdown parser allows attacker-controlled attributes to be rendered into the generated element without proper allowlisting or sanitization. As a result, a user who can...

Kestra vulnerable to stored XSS via custom Markdown [[link]] attribute injection

Summary Kestra’s Markdown renderer supports a custom link ... syntax that is converted into a custom HTML element. The custom Markdown parser allows attacker-controlled attributes to be rendered into the generated element without proper allowlisting or sanitization. As a result, a user who can...

CVE-2026-55839

Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown parser in ui/src/utils/markdownplugins/link.ts allows a user with permission to create or update a Flow description to inject JavaScript event-handler attributes through the custom link syntax...

CVE-2026-55839

Kestra , an open-source event-driven orchestration platform, is vulnerable to stored cross-site scripting (XSS) in versions prior to 1.3.24 . The root cause is in the custom Markdown parser (ui/src/utils/markdown_plugins/link.ts), which renders parsed attributes from the [[link]] syntax directly ...

CVE-2026-55839 Kestra: Stored XSS via custom Markdown [[link]] attribute injection

Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown parser in ui/src/utils/markdownplugins/link.ts allows a user with permission to create or update a Flow description to inject JavaScript event-handler attributes through the custom link syntax...

CVE-2026-55839 Kestra: Stored XSS via custom Markdown [[link]] attribute injection

Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown parser in ui/src/utils/markdownplugins/link.ts allows a user with permission to create or update a Flow description to inject JavaScript event-handler attributes through the custom link syntax...

EUVD-2026-60976

Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown parser in ui/src/utils/markdownplugins/link.ts allows a user with permission to create or update a Flow description to inject JavaScript event-handler attributes through the custom link syntax...

CVE-2026-55839

Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown parser in ui/src/utils/markdownplugins/link.ts allows a user with permission to create or update a Flow description to inject JavaScript event-handler attributes through the custom link syntax...

PT-2026-77151

Kestra is an open-source, event-driven orchestration platform. Prior to 1.3.24, Kestra's custom Markdown parser in ui/src/utils/markdown plugins/link.ts allows a user with permission to create or update a Flow description to inject JavaScript event-handler attributes through the custom link synta...

CVE-2026-73245

Kestra is an open-source, event-driven orchestration platform. Prior to 2.0.0-rc6, Kestra's cli/src/main/resources/application.yml serves Micronaut management endpoints on port 8081 without authentication even when Basic Auth protects /api/v1/ on port 8080, allowing unauthenticated GET /env...

CVE-2026-73246

Kestra is an open-source, event-driven orchestration platform. Prior to 2.0.0-rc6, Kestra's worker/src/main/java/io/kestra/worker/endpoint/WorkerEndpoint.java serves GET /worker without authentication and serializes the complete live Task object, which can expose commands, environment variables,...

CVE-2026-73247

Kestra is an open-source, event-driven orchestration platform. Prior to 2.0.0, Kestra's core/src/main/java/io/kestra/core/runners/pebble/functions/HttpFunction.java passes the user-controlled http uri argument to URI.create and the server-side HTTP client without restricting private, loopback, or...

CVE-2026-73247

Kestra is an open-source, event-driven orchestration platform. Prior to 2.0.0, Kestra's core/src/main/java/io/kestra/core/runners/pebble/functions/HttpFunction.java passes the user-controlled http uri argument to URI.create and the server-side HTTP client without restricting private, loopback, or...

CVE-2026-73247 Kestra: SSRF via Pebble http() function allows unauthenticated access to internal services & cloud metadata

Kestra is an open-source, event-driven orchestration platform. Prior to 2.0.0, Kestra's core/src/main/java/io/kestra/core/runners/pebble/functions/HttpFunction.java passes the user-controlled http uri argument to URI.create and the server-side HTTP client without restricting private, loopback, or...