CVE-2026-73627

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

0.42% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 36.2% of scored records. A rank, not a probability.

NVD base score

6.0 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-09-30.

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

2026-08-13 11:28Z2 MO AGO

Last updated

2026-09-30 17:20Z29 DAYS AGO

Reserved

2026-08-13

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Medium (CVSS 6.0)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N

Weaknesses

• CWE-602Client-Side Enforcement of Server-Side SecurityClass
• CWE-414Missing Lock CheckBase

Data version

5.2

Document digest

7bb035f30787a577a4c412c490d319dc79c6b0cefbe85f5f07afa1c677352824

• github.comGitHub Security Advisory (GHSA-h5v5-8746-g7mm)https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-h5v5-8746-g7mmvendor-advisory
• www.vulncheck.comVulnCheck Advisory: JupyterLab 4.6.0 Plugin Manager Lock-Rule Enforcement Bypasshttps://www.vulncheck.com/advisories/jupyterlab-plugin-manager-lock-rule-enforcement-bypassthird-party-advisory