CVE-2026-121547 PUBLISHED

dysk before 3.8.2 Terminal Escape Sequence Injection via Mount Metadata

Assigner: VulnCheck
Reserved: 03.11.2026 Published: 03.11.2026 Updated: 03.11.2026

Canop dysk before 3.8.2 contains a terminal escape sequence injection vulnerability that allows local users to inject control sequences by crafting mount metadata rendered unsanitized in table and CSV output. Attackers can create FUSE mounts with ESC/OSC sequences in mount-point names or fsname, causing spoofed or hidden output and window-title changes when another user runs dysk.

Metrics

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 1

Product Status

Vendor Canop
Product dysk
Versions Default: unaffected
  • affected from 0 to 3.8.2 (excl.)

Credits

  • George Chen finder

References

Problem Types

  • Improper Neutralization of Escape, Meta, or Control Sequences CWE