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CVE-2026-59851 on CTRL-OS 26.05

Aliases: CVE-2026-59851

Packages: libssh

Status: In Progress

Advisory Information

A flaw was found in libssh. On servers with GSSAPIKeyExchange enabled, the gssapi-keyex path does not verify whether the authenticated Kerberos principal is authorized for the requested local user, allowing authenticated clients to log in as arbitrary users.

Updates

2026-07-22 16:14 CEST

Metadata changes:

  • Status for package libssh: “In Progress” (e4af1cf93dd485cb924c1a7f0f0a314be95d6544)

2026-07-21 16:09 CEST

Metadata changes:

  • Status for package libssh: “Plausible”

2026-07-21 16:09 CEST

Metadata changes:

  • Status for package libssh: “New”