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CVE-2026-45037— Tabby: Unsafe protocol handler execution via terminal linkifier allows arbitrary OS protocol invocation

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 1.0.232之前版本存在安全漏洞，该漏洞源于终端链接器未验证协议方案，可能导致恶意SSH或Telnet服务器发送危险URI触发OS协议处理程序。

CVSS 7.1 · High EPSS 0.24% · P13

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Eugeny tabby < 1.0.232 affected
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I. Basic Information for CVE-2026-45037

Vulnerability Information
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Vulnerability Title
Tabby: Unsafe protocol handler execution via terminal linkifier allows arbitrary OS protocol invocation
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
Source: CVE Program / CVE List V5
Vulnerability Title
Tabby 安全漏洞
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 1.0.232之前版本存在安全漏洞，该漏洞源于终端链接器未验证协议方案，可能导致恶意SSH或Telnet服务器发送危险URI触发OS协议处理程序。
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 < 1.0.232 -

II. Public POCs for CVE-2026-45037

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III. Intelligence Information for CVE-2026-45037

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Vendor Advisories for CVE-2026-45037 (1)

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

CVE-2026-45036 7.0 HIGH Tabby auto-confirms ZMODEM detection on terminal output, leading to shell command executio
CVE-2026-45035 Tabby: RCE via `tabby://run` URL Scheme
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-184

V. Comments for CVE-2026-45037

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