Joplin 3.3.3 Server - Privilege Escalation

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. Prior to version 3.3.3, a privilege escalation vulnerability exists in the Joplin server, allowing non-admin users to exploit the API endpoint PATCH /api/users/-id t...

CVE-2026-59814

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.7, Joplin Server's GET /shares/:id?resourceid= route serves a resource with the attacker-controlled mime value and omits Content-Disposition when the resource title is empty. A...

CVE-2026-55210

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Server's UserModel.ssoLogin returns an existing account matched by an IdP-asserted email without checking the account's isexternal flag. In deployments using mixed loca...

CVE-2026-59816

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.7, the GET /api/transcribe/:id and POST /api/transcribe/:id handlers in packages/server/src/routes/api/transcribe.ts on Joplin Server instances with TRANSCRIBEENABLED=true pass t...

CVE-2026-59815 Joplin: Pending share recipients can write items into shared folders before accepting invitations

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.7, Joplin Server's ItemModel.checkIfAllowed authorizes writes to items with a share ID when any shareusers row exists for the caller, without requiring ShareUserStatus.Accepted. ...

CVE-2026-59814 Joplin: Stored XSS via inline-served note attachment on published shares

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.7, Joplin Server's GET /shares/:id?resourceid= route serves a resource with the attacker-controlled mime value and omits Content-Disposition when the resource title is empty. A...

CVE-2026-55105

Joplin (open-source note-taking app) prior to 3.6.15 and 3.7.2 fails to sanitize HTML produced by its vendored fountain.js renderer in packages/renderer/MdToHtml/rules/fountain.ts. A crafted Fountain code block can therefore trigger arbitrary script execution in the note viewer (desktop/mobile) o...

CVE-2026-55179

Joplin Server (the self-hosted component of the open-source note-taking app Joplin) contains an authorization flaw in its GET /items/:id/content route (defined in packages/server/src/routes/index/items.ts). Prior to version 3.7.2 , the route loads item content using an attacker-supplied internal ...

CVE-2026-55179 Joplin: Logic error in Joplin Server allows a signed-in user to read any note from its internal server ID

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Server's GET /items/:id/content route in packages/server/src/routes/index/items.ts loads item content from an attacker-supplied internal server ID without checking...

CVE-2026-59814: Improper Neutralization of Input During Web Page Generation

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.7, Joplin Server's GET /shares/:id?resourceid= route serves a resource with the attacker-controlled mime value and omits Content-Disposition when the resource title is empty. A...

CVE-2026-46649: Improper Restriction of Excessive Authentication Attempts

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Server's GET /api/loginwithcode/:id endpoint accepts a nine-digit SSO authentication code with a ten-minute lifetime without applying limiterLoginBruteForce. An...

CVE-2026-59815: Incorrect Authorization

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.7, Joplin Server's ItemModel.checkIfAllowed authorizes writes to items with a share ID when any shareusers row exists for the caller, without requiring ShareUserStatus.Accepted. ...

CVE-2026-55210: Authentication Bypass by Spoofing

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Server's UserModel.ssoLogin returns an existing account matched by an IdP-asserted email without checking the account's isexternal flag. In deployments using mixed loca...

CVE-2026-55179: Authorization Bypass Through User-Controlled Key

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, Joplin Server's GET /items/:id/content route in packages/server/src/routes/index/items.ts loads item content from an attacker-supplied internal server ID without checking...

CVE-2026-46650: Improper Neutralization of Input During Web Page Generation

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.2, isAcceptedUrl in packages/renderer/htmlUtils.ts uses an unanchored regular expression for internal resource URLs, allowing a javascript: URL containing a matching 32-character...

CVE-2026-34600

CVE-2026-34600 affects Joplin (note-taking app). Versions

CVE-2026-34600 Joplin Server delta API returns note content after share access is revoked

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Versions 3.5.2 and prior contain a logic error in the delta API that allows share recipients to download notes that are no longer shared with them, related to but not fully fixed by the prior...

CVE-2026-34600 Joplin Server delta API returns note content after share access is revoked

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Versions 3.5.2 and prior contain a logic error in the delta API that allows share recipients to download notes that are no longer shared with them, related to but not fully fixed by the prior...

CVE-2025-27409

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. Prior to version 3.3.3, path traversal is possible in Joplin Server if static file path starts with css/pluginAssets or js/pluginAssets. The findLocalFile function i...

CVE-2025-27134 Privilege escalation in Joplin server via user patch endpoint

Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. Prior to version 3.3.3, a privilege escalation vulnerability exists in the Joplin server, allowing non-admin users to exploit the API endpoint PATCH /api/users/:id t...