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CVE PROGRAM SOURCE RECORD5.1 Medium

CVE-2026-62294

Flameshot: OCTOU symlink attack via predictable /tmp path in Flameshot "Open With"

Description

Flameshot is powerful yet simple to use screenshot software. Prior to 14.0.0, the Open With feature wrote screenshots to a predictable temporary path and followed symlinks, creating a time-of-check to time-of-use race that allowed a local unprivileged attacker on the same machine to pre-plant a symlink and cause Flameshot to write PNG data through it, overwriting any file the victim user could write. This issue is fixed in version 14.0.0.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

flameshot-org flameshot

  • < 14.0.0affected

References