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I. Basic Information for CVE-2026-7598
Vulnerability Information
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Vulnerability Title
libssh2 userauth.c userauth_password integer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth_password of the file src/userauth.c. Such manipulation of the argument username_len/password_len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
整数溢出或超界折返
Source: NVD (National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-libssh2 1.11.0 cpe:2.3:a:libssh2:libssh2:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-7598
#POC DescriptionSource LinkShenlong Link
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Qwen3.6-35B-A3B · 12006 chars
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III. Intelligence Information for CVE-2026-7598
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IV. Related Vulnerabilities
Same product: libssh2
Same vendor: n/a
Same weakness: CWE-190
V. Comments for CVE-2026-7598

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