CVE-2026-59998

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 7.7% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-09.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-07-08 00:11Z1 MO AGO

Last updated

2026-07-08 13:48Z1 MO AGO

Reserved

2026-07-08

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

Weaknesses

• CWE-573Improper Following of Specification by CallerClass
• CWE-909Missing Initialization of ResourceClass

Data version

5.2

Document digest

edeccddd4e6746baa147b1b0e1a2859ae9aec6d99f5fcaaf20707c8c5607e3db

• www.openwall.comhttps://www.openwall.com/lists/oss-security/2026/07/06/5
• marc.infohttps://marc.info/?l=openssh-unix-dev&m=178333966933090&w=2
• www.openssh.orghttps://www.openssh.org/releasenotes.html#10.4p1