StackRadar

CVE-2026-21883

High

Advisory

Published 6 Jan 2026In the index since 6 Sept 2026
Severity
High
worst across findings
CVSS
7.4
base score, highest
EPSS
0.002
8th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
4
of 17,781 indexed, latest versions
Container images
6
deployed by those charts
Fix available
1 of 1
affected package

Bokeh server applications have Incomplete Origin Validation in WebSockets

Carried by container images the latest versions of 4 of 17,781 indexed charts deploy, on 6 images.

Affected packageAffected versionsFixed inImages
bokehpypi1.0.4, 3.3.3, 3.6.23.8.26
OSV records
GHSA-793v-589g-574v
Also known as
PYSEC-2026-1223

Charts affected

4 by stars
ChartLatestAffected imagesRadar Score
daskdask2024.1.12 of 2See more

dask dask 2024.1.1

2 of the 2 container images this version deploys carry CVE-2026-21883.

Container imageDigestPackageFixed in
ghcr.io/dask/dask:2024.1.0080150de7d86
bokeh@3.3.3
3.8.2
ghcr.io/dask/dask-notebook:2024.1.0f53bde3acd4f
bokeh@3.3.3
3.8.2

Open the chart page →

12,746
daskhubdask2024.1.11 of 9See more

daskhub dask 2024.1.1

1 of the 9 container images this version deploys carry CVE-2026-21883.

Container imageDigestPackageFixed in
pangeo/base-notebook:2024.01.155fbe688a4f80
bokeh@3.3.3
3.8.2

Open the chart page →

14,094
daskcloudnativeapp2.2.12 of 2See more

dask cloudnativeapp 2.2.1

2 of the 2 container images this version deploys carry CVE-2026-21883.

Container imageDigestPackageFixed in
daskdev/dask:1.1.04ecd7bc35500
bokeh@1.0.4
3.8.2
daskdev/dask-notebook:1.1.0052630f5ca04
bokeh@1.0.4
3.8.2

Open the chart page →

29,901
meerschaummeerschaumVerified publisher0.2.01 of 1See more

meerschaum meerschaum 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-21883.

Container imageDigestPackageFixed in
bmeares/meerschaum:2.8.48e9c5bacaa82
bokeh@3.6.2
3.8.2

Open the chart page →

5,823

Container images carrying it

6 by charts deploying them

A fixed version is listed for 1 of the 1 affected package.

Container imageDigestPackageFixed inUsed by
bmeares/meerschaum:2.8.48e9c5bacaa82
bokeh@3.6.2
3.8.2
1
daskdev/dask:1.1.04ecd7bc35500
bokeh@1.0.4
3.8.2
1
daskdev/dask-notebook:1.1.0052630f5ca04
bokeh@1.0.4
3.8.2
1
pangeo/base-notebook:2024.01.155fbe688a4f80
bokeh@3.3.3
3.8.2
1
ghcr.io/dask/dask:2024.1.0080150de7d86
bokeh@3.3.3
3.8.2
1
ghcr.io/dask/dask-notebook:2024.1.0f53bde3acd4f
bokeh@3.3.3
3.8.2
1

syft 1.42.1 · advisories as of 14 Sept 2026

Corrections: contact@stackradar.io

Catalogue: Artifact Hub · Advisories: OSV · Exploitation: FIRST EPSS, CISA KEV.