CVE-2026-83621

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

0.53% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 44.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-09-23.

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

2026-09-21 16:08Z1 MO AGO

Last updated

2026-09-21 20:45Z1 MO AGO

Reserved

2026-08-31

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

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

Weaknesses

• CWE-862Missing AuthorizationClass

Data version

5.2

Document digest

0e680d69e9961e922e440eac2f7034ecc562ff081d1fd74f8053a3e1ba707e34

• github.comhttps://github.com/ntop/ntopng/security/advisories/GHSA-ffg5-889g-f5q8x_refsource_CONFIRM
• github.comhttps://github.com/ntop/ntopng/commit/1d0627d802c59130c82478a4eb7f14014064eae5x_refsource_MISC
• github.comhttps://github.com/ntop/ntopng/commit/669589fe208fc932fe40a840e0de8e4d9df6023fx_refsource_MISC