Medium severity5.5NVD Advisory· Published Feb 23, 2021· Updated Jun 17, 2026
CVE-2021-23827
CVE-2021-23827
Description
Keybase Desktop Client before 5.6.0 on Windows and macOS, and before 5.6.1 on Linux, allows an attacker to obtain potentially sensitive media (such as private pictures) in the Cache and uploadtemps directories. It fails to effectively clear cached pictures, even after deletion via normal methodology within the client, or by utilizing the "Explode message/Explode now" functionality. Local filesystem access is needed by the attacker.
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Affected products
2- Keybase/Desktop Clientdescription
- Range: <5.6.0 on Windows and macOS, <5.6.1 on Linux
Patches
Vulnerability mechanics
References
3- hackerone.com/reports/1074930nvdExploitIssue TrackingThird Party Advisory
- johnjhacking.com/blog/cve-2021-23827/nvdExploitThird Party Advisory
- github.com/keybase/client/releasesnvdRelease NotesThird Party Advisory
News mentions
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