CVE-2026-59846
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- CVE-2026-59846
CVE Details
| Release Date: | 2026-07-21 | |
| Impact: | Low | What is this? |
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.
See more information about CVE-2026-59846 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 3.9 |
| Vector String: | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | Low |
| User Interaction: | Required |
| Scope: | Unchanged |
| Confidentiality Impact: | Low |
| Integrity Impact: | Low |
| Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 10 (libssh) | ELSA-2026-55855 | 2026-08-17 |
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