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-2026-75056

In JetBrains IntelliJ IDEA before 2026.2.1 rCE via Markdown export tool was possible...

CVE-2026-75052

In JetBrains IntelliJ IDEA before 2026.2.1 command execution via crafted Markdown preview content was possible in trusted projects...

CVE-2026-75056

In JetBrains IntelliJ IDEA before 2026.2.1 rCE via Markdown export tool was possible...

EUVD-2026-60255

In JetBrains IntelliJ IDEA before 2026.2.1 rCE via Markdown export tool was possible...

CVE-2026-75056

In JetBrains IntelliJ IDEA before 2026.2.1 rCE via Markdown export tool was possible...

CVE-2026-75056

JetBrains IntelliJ IDEA before 2026.2.1 is vulnerable to remote code execution via the Markdown export tool; a malicious Markdown document can trigger code execution during export. CVSS 7.8 (HIGH) — local attack vector, low complexity, no privileges required, user interaction needed. Upgrade to 2...

CVE-2026-75056

In JetBrains IntelliJ IDEA before 2026.2.1 rCE via Markdown export tool was possible...

CVE-2026-75052

JetBrains IntelliJ IDEA versions prior to 2026.2.1 are vulnerable to command execution via crafted Markdown preview content in trusted projects. The vulnerability is local and requires user interaction to open a malicious Markdown file, resulting in low confidentiality and integrity impact with n...

CVE-2026-75052

In JetBrains IntelliJ IDEA before 2026.2.1 command execution via crafted Markdown preview content was possible in trusted projects...

CVE-2026-75052

In JetBrains IntelliJ IDEA before 2026.2.1 command execution via crafted Markdown preview content was possible in trusted projects...

EUVD-2026-60251

In JetBrains IntelliJ IDEA before 2026.2.1 command execution via crafted Markdown preview content was possible in trusted projects...

CVE-2026-75048

JetBrains YouTrack before 2026.2.18068 allows stored XSS via the fenced code-block language label; an unauthenticated attacker can inject JavaScript that executes in other users' browsers, scoring CVSS 8.2 HIGH. Exploitation status is not provided in the documents. Upgrade to YouTrack 2026.2.1806...