Detections
Analytics

SCA: security update for jupyterhub-systemdspawner (GHSA-cg54-gpgr-4rm6)

critical Tenable Self-Hosted Container Security Plugin ID 413883

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - jupyterhub-systemdspawner enables JupyterHub to spawn single-user notebook servers using systemd. In
 jupyterhub-systemdspawner before version 0.15 user API tokens issued to single-user servers are specified
 in the environment of systemd units. These tokens are incorrectly accessible to all users. In particular,
 the-littlest-jupyterhub is affected, which uses systemdspawner by default. This is patched in jupyterhub-
 systemdspawner v0.15 (CVE-2020-26261)

See Also

https://github.com/advisories/GHSA-cg54-gpgr-4rm6

Plugin Details

Severity: Critical

ID: 413883

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.8

Percentile: 56.93

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Low

Base Score: 3.3

Temporal Score: 2.4

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2020-26261

CVSS v3

Risk Factor: High

Base Score: 7.9

Temporal Score: 6.9

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 7.3

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 12/9/2020

Vulnerability Publication Date: 12/9/2020

Reference Information

CVE: CVE-2020-26261

cwe: CWE-668