CVE-2026-44522 Note Mark: Arbitrary File Write via Path Traversal in Asset Names Leading to Remote Code Execution

Note Mark is an open-source note-taking application. From 0.13.0 to before 0.19.4, the Note Mark application allows authenticated users to upload assets to notes via POST /api/notes/noteID/assets, where the asset filename is provided through the X-Name HTTP request header. This value is stored...

CVE-2026-44523 Note Mark: JWT Secret Weakness allows Full Account Takeover via token forgery

Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the JWTSECRET configuration value. The application accepts any base64-decodable secret regardless of size, including secrets as short as 1 byte. This vulnerability is fixed in 0.19.4...

CVE-2026-44523

Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the JWTSECRET configuration value. The application accepts any base64-decodable secret regardless of size, including secrets as short as 1 byte. This vulnerability is fixed in 0.19.4...

CVE-2026-44523 Note Mark: JWT Secret Weakness allows Full Account Takeover via token forgery

Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the JWTSECRET configuration value. The application accepts any base64-decodable secret regardless of size, including secrets as short as 1 byte. This vulnerability is fixed in 0.19.4...

CVE-2026-44523 Note Mark: JWT Secret Weakness allows Full Account Takeover via token forgery

Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the JWTSECRET configuration value. The application accepts any base64-decodable secret regardless of size, including secrets as short as 1 byte. This vulnerability is fixed in 0.19.4...

EUVD-2026-30367

Note Mark is an open-source note-taking application. Prior to 0.19.4, no minimum length or entropy is enforced on the JWTSECRET configuration value. The application accepts any base64-decodable secret regardless of size, including secrets as short as 1 byte. This vulnerability is fixed in 0.19.4...

CVE-2026-44523

CVE-2026-44523 affects Note Mark, with all versions before 0.19.4 vulnerable to a JWT secret weakness. The root cause is that the JWT secret is not validated for minimum length or entropy; the application accepts any base64-decodable secret, even as short as 1 byte. In backend/config/utils.go, Ba...

Note Mark encryption vulnerabilities

Note Mark is a web-based Markdown note-taking application developed by Leo Spratt. Versions of Note Mark prior to 0.19.4 contained a security vulnerability related to encryption. This vulnerability stemmed from the JWTSECRET configuration value not having a mandatory minimum length or entropy,...

CVE-2026-44522: Improper Input Validation

Note Mark is an open-source note-taking application. From 0.13.0 to before 0.19.4, the Note Mark application allows authenticated users to upload assets to notes via POST /api/notes/noteID/assets, where the asset filename is provided through the X-Name HTTP request header. This value is stored...

Note Mark input validation vulnerability

Note Mark is a web-based Markdown note-taking application developed by Leo Spratt. Versions of Note Mark from 0.13.0 to 0.19.4 contained a vulnerability related to input validation errors. This vulnerability stemmed from the lack of cleaning and validation of asset file names, which could lead to...

CVE-2026-41572

Note Mark is an open-source note-taking application. Prior to version 0.19.3, after a note-mark owner soft-deletes a public book, its notes and uploaded assets stay readable at /api/notes/id, /api/notes/id/content, the slug URL, and the asset endpoints. Unauthenticated callers who hold the note I...

CVE-2026-41571

Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt"null" placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password:...

CVE-2026-41572

Note Mark is an open-source note-taking application. Prior to version 0.19.3, after a note-mark owner soft-deletes a public book, its notes and uploaded assets stay readable at /api/notes/id, /api/notes/id/content, the slug URL, and the asset endpoints. Unauthenticated callers who hold the note I...

CVE-2026-41572 Note Mark: Unauthenticated read of notes and assets in soft-deleted public books

Note Mark is an open-source note-taking application. Prior to version 0.19.3, after a note-mark owner soft-deletes a public book, its notes and uploaded assets stay readable at /api/notes/id, /api/notes/id/content, the slug URL, and the asset endpoints. Unauthenticated callers who hold the note I...

CVE-2026-41572

Note Mark is an open-source note-taking application. Prior to version 0.19.3, after a note-mark owner soft-deletes a public book, its notes and uploaded assets stay readable at /api/notes/id, /api/notes/id/content, the slug URL, and the asset endpoints. Unauthenticated callers who hold the note I...

CVE-2026-41572 Note Mark: Unauthenticated read of notes and assets in soft-deleted public books

Note Mark is an open-source note-taking application. Prior to version 0.19.3, after a note-mark owner soft-deletes a public book, its notes and uploaded assets stay readable at /api/notes/id, /api/notes/id/content, the slug URL, and the asset endpoints. Unauthenticated callers who hold the note I...

CVE-2026-41571 Note Mark: OIDC-registered users authenticated by submitting password "null"

Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt"null" placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password:...

CVE-2026-41571 Note Mark: OIDC-registered users authenticated by submitting password "null"

Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt"null" placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password:...

Note Mark authorization issue vulnerability

Note Mark is a web-based Markdown note-taking application developed by Leo Spratt. Version 0.19.2 of Note Mark contains an authorization vulnerability. This vulnerability stems from the IsPasswordMatch function falling back to a hardcoded bcrypt empty password placeholder, allowing unauthenticate...

CVE-2026-41571: Improper Authentication

Note Mark is an open-source note-taking application. In version 0.19.2, IsPasswordMatch in backend/db/models.go falls back to a hard-coded bcrypt"null" placeholder whenever a user has no stored password. OIDC-registered users are created with an empty password, so anyone who submits password:...