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CVE-2026-45035— Tabby: RCE via `tabby://run` URL Scheme

Quick assessment

Affected
Eugeny tabby
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Tabby（Terminus）是Eugene个人开发者的一个适用于 Windows 10、macOS 和 Linux 的高度可配置的终端仿真器、SSH 和串行客户端。 Tabby（Terminus） 1.0.233之前版本存在操作系统命令注入漏洞，该漏洞源于tabby:// URL方案处理程序直接执行OS命令且无用户确认，可能导致攻击者通过恶意链接实现远程代码执行。

AI Predicted 8.8 Difficulty: Trivial EPSS 0.48% · P39

Affected Version Matrix 1

VendorProduct Version RangeStatus
Eugeny tabby < 1.0.233 affected
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I. Basic Information for CVE-2026-45035

Vulnerability Information
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Vulnerability Title
Tabby: RCE via `tabby://run` URL Scheme
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Tabby 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tabby（Terminus）是Eugene个人开发者的一个适用于 Windows 10、macOS 和 Linux 的高度可配置的终端仿真器、SSH 和串行客户端。 Tabby（Terminus） 1.0.233之前版本存在操作系统命令注入漏洞，该漏洞源于tabby:// URL方案处理程序直接执行OS命令且无用户确认，可能导致攻击者通过恶意链接实现远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eugeny tabby < 1.0.233 -

II. Public POCs for CVE-2026-45035

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III. Intelligence Information for CVE-2026-45035

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Vendor Advisories for CVE-2026-45035 (1)

Same Patch Batch · Eugeny · 2026-05-15 · 4 CVEs total

CVE-2026-45037 7.1 HIGH Tabby: Unsafe protocol handler execution via terminal linkifier allows arbitrary OS protoc
CVE-2026-45036 7.0 HIGH Tabby auto-confirms ZMODEM detection on terminal output, leading to shell command executio
CVE-2026-45038 Tabby: Dragging and Dropping a File into Tabby Can Lead to Code Execution

IV. Related Vulnerabilities

Same product: tabby
Same vendor: Eugeny
Same weakness: CWE-78

V. Comments for CVE-2026-45035

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