PT-2026-69151 · Unknown · Jupyterhub
CVE-2026-54338
·
Published
2026-08-07
·
Updated
2026-09-10
CVSS v3.1
5.3
Medium
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |
Name of the Vulnerable Software and Affected Versions
JupyterHub versions prior to 5.5.0
Description
Invalid input provided to form-based login authenticators allows an unauthenticated attacker to insert an unbounded, attacker-controlled username into failed-login logs. This can lead to the exhaustion of logging and storage resources.
Recommendations
Update to version 5.5.0.
Exploit
Fix
Resource Exhaustion
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Weakness Enumeration
Related Identifiers
Affected Products
Jupyterhub