CVE-2026-45037CWE-184CWE-601

Tabby: Unsafe protocol handler execution via terminal linkifier allows arbitrary OS protocol invocation

High · published May 15, 2026

CVSS v3.1
7.1
EPSS
0%
Percentile
13.7
In the wild
Unconfirmed
What it is

Tabby (formerly Terminus) is a highly configurable terminal emulator. Prior to 1.0.232, Tabby's terminal linkifier passes any detected URI directly to the operating system's protocol handler without validating the protocol scheme. This allows a malicious SSH or Telnet server to send crafted terminal output containing dangerous protocol URIs which Tabby renders as clickable links, triggering arbitrary OS protocol handlers on the victim's machine. This vulnerability is fixed in 1.0.232.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00236 · 13.7th percentile
Weaknesses
CWE-184 · Incomplete List of Disallowed Inputs; CWE-601 · URL Redirection to Untrusted Site ('Open Redirect')
Published
2026-05-15T16:40Z
EPSS history
Timeline
  • 15 MAY 16:40Z
    Tabby: Unsafe protocol handler execution via terminal linkifier allows arbitrary OS protocol invocation
    cvelistv5