VULNERABILITY INTELLIGENCE

CVE-2026-59847

CVSS score5.9 MEDIUM
EPSS probability0.33%
CISA KEVNot currently listed
Published2026-07-21
Last modified2026-09-04
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

A flaw was found in libssh. Incorrect AES-GCM finalization checks in builds using the OpenSSL backend can effectively remove integrity protection, allowing an in-path attacker to modify plaintext on the wire without detection.

Weakness classification

  • secalert@redhat.com: CWE-253
  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-1310

Primary references