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CVE-2026-7598

HIGH

7.3

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.

CVE Details

CVSS v3.1 Score7.3

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/1/2026

Last Modified5/4/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-189CWE-190

References

https://github.com/libssh2/libssh2/(cna@vuldb.com)

https://github.com/libssh2/libssh2/commit/256d04b60d80bf1190e96b0ad1e91b2174d744b1(cna@vuldb.com)

https://github.com/libssh2/libssh2/pull/1858(cna@vuldb.com)

https://vuldb.com/submit/805564(cna@vuldb.com)

https://vuldb.com/vuln/360555(cna@vuldb.com)

https://vuldb.com/vuln/360555/cti(cna@vuldb.com)

https://vuldb.com/submit/805564(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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