CVE-2026-102831

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 ImpacttotalSuccessful exploitation gives total 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

0.19% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 8.9% 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:N/UI:R/S:U/C:H/I:H/A:N

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-02.

Red Hat severity

Important. 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

2026-09-29 18:58Z29 DAYS AGO

Last updated

2026-10-02 12:22Z26 DAYS AGO

Reserved

2026-09-29

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

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

Weaknesses

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
• CWE-345Insufficient Verification of Data AuthenticityClass

Data version

5.2

Document digest

cd276b02836bbb925cb7cad1fa7c1069eb86a3b3073a397aed02e76346395060

• github.comhttps://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-6966-vjj6-99xvx_refsource_CONFIRM
• github.comhttps://github.com/jupyterlab/jupyterlab/commit/1a10a7da5ff655849b21581c2633b46483ae0be9x_refsource_MISC
• github.comhttps://github.com/jupyterlab/jupyterlab/commit/7f9f29e29e0c83fb17b0f11da57d06b3c6a40d96x_refsource_MISC
• github.comhttps://github.com/jupyterlab/jupyterlab/commit/cf6e89a8d315c4134cefa50c220bca296da466a7x_refsource_MISC
• github.comhttps://github.com/jupyterlab/jupyterlab/releases/tag/v4.5.11x_refsource_MISC
• github.comhttps://github.com/jupyterlab/jupyterlab/releases/tag/v4.6.4x_refsource_MISC