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NVD Vulnerability Details :
CVE-2026-48108
Received
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-10 Jun, 2026 | 22:17
Updated At-10 Jun, 2026 | 22:17

Russh is a Rust SSH client & server library. From version 0.34.0-beta.1 to before version 0.61.0, russh did not enforce the SSH identification-string rules as deliberately as OpenSSH. In particular, the server-side identification reader used the same permissive path as the client, allowing pre-banner lines from clients, and the reader did not enforce a bounded number of pre-banner lines. For a library server built on russh, this could allow a remote peer to hold connection setup resources in the cleartext pre-authentication phase with malformed identification input that should have been rejected early. This issue has been patched in version 0.61.0.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Type: Secondary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-20Primarysecurity-advisories@github.com
CWE ID: CWE-20
Type: Primary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/Eugeny/russh/security/advisories/GHSA-76r6-x97p-67vrsecurity-advisories@github.com
N/A
Hyperlink: https://github.com/Eugeny/russh/security/advisories/GHSA-76r6-x97p-67vr
Source: security-advisories@github.com
Resource: N/A
Change History
0Changes found

Details not found