CVE-2026-116688

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.49% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 42.5% 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:H/I:H/A:N

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-28.

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

2026-10-27 19:36Z1 DAY AGO

Last updated

2026-10-27 19:36Z1 DAY AGO

Reserved

2026-10-26

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:H/I:H/A:N

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.2

Document digest

7e7bee203db61d8c2145b31eca21f8698b717c08112bd1d31597fa4197472b7f

• github.comhttps://github.com/ckeditor/ckeditor5/security/advisories/GHSA-rh54-vffm-5fvpx_refsource_CONFIRM
• github.comhttps://github.com/ckeditor/ckeditor5/commit/4d9c5bb34f63cd956d15ccafbe584e14280c86a0x_refsource_MISC
• github.comhttps://github.com/ckeditor/ckeditor5/commit/a750e38635db6a18c5b11599c09f4fd702850423x_refsource_MISC
• github.comhttps://github.com/ckeditor/ckeditor5/releases/tag/v47.7.4x_refsource_MISC
• github.comhttps://github.com/ckeditor/ckeditor5/releases/tag/v48.5.1x_refsource_MISC