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I. Basic Information for CVE-2026-4751
Vulnerability Information
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Vulnerability Title
NULL Pointer Dereference in tmate-io tmate
Source: NVD (National Vulnerability Database)
Vulnerability Description
NULL Pointer Dereference vulnerability in tmate-io tmate.This issue affects tmate: before 2.4.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
空指针解引用
Source: NVD (National Vulnerability Database)
Vulnerability Title
tmate 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tmate是tmate-io开源的一个即时终端共享工具。 tmate 2.4.0之前版本存在安全漏洞，该漏洞源于空指针取消引用。
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
VendorProductAffected VersionsCPESubscribe
tmate-iotmate 0 ~ 2.4.0 -
II. Public POCs for CVE-2026-4751
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III. Intelligence Information for CVE-2026-4751
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IV. Related Vulnerabilities
Same weakness: CWE-476
V. Comments for CVE-2026-4751

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