CVE-2026-45035

Tabby (formerly Terminus) is a highly configurable terminal emulator. Prior to 1.0.233, Tabby registers itself as the handler for the tabby:// URL scheme on all platforms. The URL scheme handler supports a run command that directly executes OS commands with no user confirmation, sanitization, or sandboxing. An attacker can craft a malicious link (tabby://run?command=...) and deliver it via a website, email, chat message, or any other medium. When a victim clicks the link, the OS launches Tabby which immediately spawns the specified command as a child process with the user's full privileges. This is a zero-click-after-link-visit RCE vulnerability. This vulnerability is fixed in 1.0.233.

Affected products

Tabby

Tabby

< 1.0.233

Fix

Available

CVSS 4.0

9.4 CRITICAL

CVSS 3.1

8.8 HIGH

EPSS

0.4% (31th percentile)

Weakness

CWE-78

NVD status

Analyzed

Published

2026-05-15

No exploit for CVE-2026-45035 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.