EUVD-2026-43228

Flowise before 3.1.0 affected versions 3.0.13 and earlier uses weak hardcoded default JWT secrets 'authtoken', 'refreshtoken' and default audience and issuer values 'AUDIENCE', 'ISSUER' in the enterprise passport authentication middleware packages/server/src/enterprise/middleware/passport/index.t...

CVE-2026-56271

Flowise prior to 3.1.0 (versions

CVE-2026-56273

Flowise before 3.1.0 contains a path traversal vulnerability in Faiss and SimpleStore vector store implementations that accept unsanitized basePath parameters from authenticated users. Attackers with valid API tokens can write vector store data to arbitrary filesystem locations, potentially...

CVE-2026-56273 Flowise - Path Traversal in Vector Store basePath Parameter

Flowise before 3.1.0 contains a path traversal vulnerability in Faiss and SimpleStore vector store implementations that accept unsanitized basePath parameters from authenticated users. Attackers with valid API tokens can write vector store data to arbitrary filesystem locations, potentially...

CVE-2026-56273

Flowise prior to 3.1.0 is affected by a path traversal in its Faiss and SimpleStore vector store implementations. The vulnerability arises from unsanitized basePath parameters accepted from authenticated users, enabling attackers with valid API tokens to write vector store data to arbitrary files...

Flowise 3.1.3 - arbitrary code execution

Exploit Title: Flowise 3.1.3 - arbitrary code execution CVE: CVE-2026-58057 Date: 2026-06-29 Exploit Author: Mohammed Idrees Banyamer Author Country: Jordan Instagram: @banyamersecurity Author GitHub: https://github.com/mbanyamer Author Blog : https://banyamersecurity.com/blog/ Vendor Homepage:...

EUVD-2026-40432

Flowise before 3.1.2 sets Access-Control-Allow-Origin to a hardcoded wildcard on its text-to-speech TTS generation endpoint packages/server/src/controllers/text-to-speech/index.ts, independent of the server's configured CORS policy. This bypasses the server's otherwise restrictive default CORS...

CVE-2026-56277

Flowise before 3.1.2 sets Access-Control-Allow-Origin to a hardcoded wildcard on its text-to-speech TTS generation endpoint packages/server/src/controllers/text-to-speech/index.ts, independent of the server's configured CORS policy. This bypasses the server's otherwise restrictive default CORS...

CVE-2026-56278

Flowise before 3.1.0 affected versions 3.0.13 and earlier uses a weak hardcoded default secret 'flowise' for the express-session middleware when the EXPRESSSESSIONSECRET environment variable is not set packages/server/src/enterprise/middleware/passport/index.ts. Because this default secret is...

CVE-2026-56278 Flowise - Session Hijacking via Weak Default Express Session Secret

Flowise before 3.1.0 affected versions 3.0.13 and earlier uses a weak hardcoded default secret 'flowise' for the express-session middleware when the EXPRESSSESSIONSECRET environment variable is not set packages/server/src/enterprise/middleware/passport/index.ts. Because this default secret is...

CVE-2026-56277 Flowise - Hardcoded CORS Wildcard in TTS Endpoint

Flowise before 3.1.2 sets Access-Control-Allow-Origin to a hardcoded wildcard on its text-to-speech TTS generation endpoint packages/server/src/controllers/text-to-speech/index.ts, independent of the server's configured CORS policy. This bypasses the server's otherwise restrictive default CORS...

CVE-2026-56278

Flowise before 3.1.0 affected versions 3.0.13 and earlier uses a weak hardcoded default secret 'flowise' for the express-session middleware when the EXPRESSSESSIONSECRET environment variable is not set packages/server/src/enterprise/middleware/passport/index.ts. Because this default secret is...

CVE-2026-56278 Flowise - Session Hijacking via Weak Default Express Session Secret

Flowise before 3.1.0 affected versions 3.0.13 and earlier uses a weak hardcoded default secret 'flowise' for the express-session middleware when the EXPRESSSESSIONSECRET environment variable is not set packages/server/src/enterprise/middleware/passport/index.ts. Because this default secret is...

CVE-2026-56277 Flowise - Hardcoded CORS Wildcard in TTS Endpoint

Flowise before 3.1.2 sets Access-Control-Allow-Origin to a hardcoded wildcard on its text-to-speech TTS generation endpoint packages/server/src/controllers/text-to-speech/index.ts, independent of the server's configured CORS policy. This bypasses the server's otherwise restrictive default CORS...

CVE-2026-56278

Flowise before 3.1.0 (affected: 3.0.13 and earlier) uses a weak hardcoded default session secret ('flowise') for express-session when EXPRESS_SESSION_SECRET is not set (packages/server/src/enterprise/middleware/passport/index.ts). Because the secret is publicly visible in the source, an attacker ...

CVE-2026-56277

Flowise before 3.1.2 sets Access-Control-Allow-Origin to a hardcoded wildcard on its text-to-speech TTS generation endpoint packages/server/src/controllers/text-to-speech/index.ts, independent of the server's configured CORS policy. This bypasses the server's otherwise restrictive default CORS...

CVE-2026-56277 Flowise - Hardcoded CORS Wildcard in TTS Endpoint

Flowise before 3.1.2 sets Access-Control-Allow-Origin to a hardcoded wildcard on its text-to-speech TTS generation endpoint packages/server/src/controllers/text-to-speech/index.ts, independent of the server's configured CORS policy. This bypasses the server's otherwise restrictive default CORS...

CVE-2026-56277

Flowise (pre-3.1.2) exposes a security flaw in its text-to-speech (TTS) endpoint. The endpoint at packages/server/src/controllers/text-to-speech/index.ts sets Access-Control-Allow-Origin to a hardcoded wildcard (*), bypassing the server’s configured CORS policy and enabling cross-origin requests ...

CVE-2026-58057

Flowise before 3.1.3 validates Custom MCP stdio environment variables against a denylist using a case-sensitive comparison, so on Windows, where environment names are case-insensitive, supplying 'nodeoptions' bypasses the NODEOPTIONS denylist entry. An authenticated user who can configure a Custo...

CVE-2026-58057

Flowise before 3.1.3 validates Custom MCP stdio environment variables against a denylist using a case-sensitive comparison, so on Windows, where environment names are case-insensitive, supplying 'nodeoptions' bypasses the NODEOPTIONS denylist entry. An authenticated user who can configure a Custo...