HIGHVulnerability
CVE-2026-59851
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.
Properties
- severity
- HIGH
- score
- 8.8
- cve_id
- CVE-2026-59851
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- published_at
- 2026-07-21T15:16:37.897
- last_modified
- 2026-08-17T22:17:15.903
Related Entities (5)
HAS_WEAKNESS (1)
→[Weakness]Incorrect Authorization
DESCRIBED_BY (1)
→[Source]NVD
AFFECTS_PRODUCT (3)
→[Product]
→[Product]
→[Product]
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