CVE-2026-49453
Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.6.15 and 3.7.2, Joplin accepts synchronized resource metadata whose id or file_extension contains parent-directory or path-separator characters. BaseItem.unserialize() stores the unvalidated fields, resourceFilename() concatenates them into a destination path, and ResourceFetcher writes the attacker-controlled resource blob outside the resource directory during background synchronization. An attacker with write access to a configured sync target or shared notebook can create or overwrite files at an attacker-chosen existing path without user interaction. This issue is fixed in versions 3.6.15 and 3.7.2.
Kelemahan
Joplin is an open source note-taking and to-do application that organises notes and lists into notebooks. Prior to 3.6.15 and 3.7.2, Joplin accepts synchronized resource metadata whose id or file_extension contains parent-directory or path-separator characters. BaseItem.unserialize() stores the unvalidated fields, resourceFilename() concatenates them into a destination path, and ResourceFetcher writes the attacker-controlled resource blob outside the resource directory during background synchronization. An attacker with write access to a configured sync target or shared notebook can create or overwrite files at an attacker-chosen existing path without user interaction. This issue is fixed in versions 3.6.15 and 3.7.2.
Referensi
- https://github.com/laurent22/joplin/commit/18e0b08c282c89ae51612c4eff67af2a45ff5163
- https://github.com/laurent22/joplin/commit/50518073740c4501058e366300b42c2f1925cb05
- https://github.com/laurent22/joplin/pull/15540
- https://github.com/laurent22/joplin/pull/15672
- https://github.com/laurent22/joplin/security/advisories/GHSA-r24r-gp6h-cwgf
- https://github.com/laurent22/joplin/security/advisories/GHSA-r24r-gp6h-cwgf
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