CVE-2026-105786

Joplin: Unauthenticated account takeover via an attacker-chosen application-authorisation identifier

HIGH
8.5
CVSS Score
Published: October 5, 2026 at 11:18 PM UTC
Updated: October 6, 2026 at 06:16 PM UTC
1 product affected across 1 vendorJoplin

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Severity
HIGH8.5
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.7.13, packages/server/src/models/ApplicationModel.ts accepts a caller-chosen application authorization identifier, applications/:id/confirm binds that identifier to a logged-in user through a generic consent page, and the public packages/server/src/routes/api/application_auth.ts endpoint passes it to ApplicationModel.createAppPassword without authenticating or binding the redeemer. An attacker can cause a victim to approve the attacker's identifier, redeem a durable application ID and password, and exchange the credential for a victim session with full read and write access to synchronized data. This vulnerability is fixed in 3.7.13.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.7.13

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.5HIGHGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-306CWE-330CWE-863

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