CVE•Published 2026-07-21•Modified 2026-07-30•0 articles on news•5 live references•NVD data

CVE-2026-59846Libssh · Libssh

Vulnerability data via NVD (ingested)

CVSS v3.1

3.9

LOW

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

EPSS percentile

Exploit Prediction Scoring System · top 97% of all CVEs

Weaknesses (CWE)

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')

Description

A flaw was found in libssh. A malicious username expanded through %r in ProxyCommand handling can inject shell metacharacters, exposing environment variables and causing unintended shell behavior.

Timeline

Published 2026-07-21

Modified 2026-07-30

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-59846

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Libssh Libssh"

All exposed Libssh Libssh instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Libssh"

HTTP body or banner mentions "Libssh" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-59846