Improper Verification of Cryptographic Signature Affecting rust package, versions <0:1.96.1-1.hum1


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.51% (40th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL10-RUST-17873806
  • published7 Jul 2026
  • disclosed3 Jul 2026

Introduced: 3 Jul 2026

NewCVE-2026-9547  (opens in a new tab)
CWE-347  (opens in a new tab)

How to fix?

Upgrade RHEL:10 rust to version 0:1.96.1-1.hum1 or higher.
This issue was patched in RHSA-2026:34975.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rust package and not the rust package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

When a libcurl-based application performs transfers via SCP:// or SFTP:// and utilizes the CURLOPT_SSH_KEYFUNCTION callback, it may silently accept an untrusted server. This vulnerability occurs when a server presents a host key type that does not match the specific key type already recorded for that host in the known_hosts file. Instead of rejecting the mismatch, the callback mechanism fails to properly enforce the restriction, allowing the connection to succeed without warning and risking a potential man-in-the-middle attack.

CVSS Base Scores

version 3.1