CVE-2026-88621

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

0.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 23.4% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-09-22.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

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

2026-09-15 00:00Z1 MO AGO

Last updated

2026-09-22 15:00Z1 MO AGO

Reserved

2026-09-10

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Low (CVSS 2.7)

CNA CVSS vector

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

Weaknesses

• CWE-706Use of Incorrectly-Resolved Name or ReferenceClass

Data version

5.2

Document digest

6309ef07b02a1e0ea8906600570d76240c4443f22f605124719bcb2452b100b7

• github.comhttps://github.com/helloxz/onenav
• github.comhttps://github.com/returnwrong/returnwrong-security-advisories/blob/main/CVE-2026-88621.md