StackRadar

CVE-2026-4539

Medium

Advisory

Published 22 Mar 2026In the index since 5 Sept 2026
Severity
Medium
worst across findings
CVSS
4.8
base score, highest
EPSS
0.002
5th percentile
CISA KEV
Not listed
no confirmed exploitation
Charts affected
180
of 17,781 indexed, latest versions
Container images
185
deployed by those charts
Fix available
1 of 2
affected packages

Pygments has Regular Expression Denial of Service (ReDoS) due to Inefficient Regex for GUID Matching

Carried by container images the latest versions of 180 of 17,781 indexed charts deploy, on 185 images.

Affected packageAffected versionsFixed inImages
pygmentsdeb2.2.0+dfsg-1, 2.3.1+dfsg-1ubuntu2.2, 2.11.2+dfsg-2, 2.11.2+dfsg-2ubuntu0.1+2 moreno fix listed16
pygmentspypi2.2.0, 2.3.1, 2.4.2, 2.7.1+16 more2.20.0185
OSV records
DEBIAN-CVE-2026-4539GHSA-5239-wwwm-4pmqUBUNTU-CVE-2026-4539
Also known as
PYSEC-2026-2987

Charts affected

180 by stars
ChartLatestAffected imagesRadar Score
reviewboardrock8sVerified publisher0.0.11 of 3See more

reviewboard rock8s 0.0.1

1 of the 3 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
beanbag/reviewboard:latest6b840f546e1c
pygments@2.19.2
2.20.0

Open the chart page →

6,084
ai-agentromholdings0.0.11 of 1See more

ai-agent romholdings 0.0.1

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
quay.io/devtron/ai-agent:0.0.16545dac92173
pygments@2.18.0
2.20.0

Open the chart page →

9,607
rommromm-helm-chartVerified publisher1.5.51 of 3See more

romm romm-helm-chart 1.5.5

1 of the 3 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
rommapp/romm:5.2.03512f2ca4557
pygments@2.19.2
2.20.0

Open the chart page →

3,370
imgtagrotationalVerified publisher0.2.01 of 1See more

imgtag rotational 0.2.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
gcr.io/rotationalio-habanero/imgtag:89ec287a534a3170d03
pygments@2.19.1
2.20.0

Open the chart page →

3,312
paperless-ngxrtomik-helm-chartsVerified publisher0.0.51 of 1See more

paperless-ngx rtomik-helm-charts 0.0.5

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
ghcr.io/paperless-ngx/paperless-ngx:2.20.357ad9565bff3
pygments@2.19.2
2.20.0

Open the chart page →

10,605
airflowsb-helm-charts0.3.01 of 1See more

airflow sb-helm-charts 0.3.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
apache/airflow:2.8.1e5560ad0b86e
pygments@2.17.2
2.20.0

Open the chart page →

10,209
pgadminsb-helm-charts0.3.01 of 1See more

pgadmin sb-helm-charts 0.3.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
dpage/pgadmin4:8.13561c1f8f99f2
pygments@2.18.0
2.20.0

Open the chart page →

1,713
showroom-docs-mcpshowroom-docs-mcpVerified publisher2.1.01 of 4See more

showroom-docs-mcp showroom-docs-mcp 2.1.0

1 of the 4 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
litellm/litellm-non_root:v1.82.3-stable09b217802ded
pygments@2.19.2
2.20.0

Open the chart page →

5,201
testing-multitoolsomeblackmagic0.1.21 of 1See more

testing-multitool someblackmagic 0.1.2

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
someblackmagic/k8s-testing-multitool:v0.1.06eca64b6b440
pygments@2.3.1+dfsg-1ubuntu2.2
pygments@2.3.1
no fix listed
2.20.0

Open the chart page →

30,687
studygovernorstudy-governorVerified publisher0.1.381 of 3See more

studygovernor study-governor 0.1.38

1 of the 3 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
registry.gitlab.com/radiology/infrastructure/study-governor:8.0.04e7faf6f8d5f
pygments@2.13.0
2.20.0

Open the chart page →

1,447
rundecksvtech-public-helm-charts1.0.01 of 2See more

rundeck svtech-public-helm-charts 1.0.0

1 of the 2 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
svtechnmaa/svtech_rundeck:v1.2.26e368ace0977
pygments@2.12.0
2.20.0

Open the chart page →

18,756
asrtest-opea1.0.01 of 1See more

asr test-opea 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/asr:1.025dd26d9cd09
pygments@2.18.0
2.20.0

Open the chart page →

4,393
chatqnatest-opea1.0.05 of 11See more

chatqna test-opea 1.0.0

5 of the 11 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/chatqna:1.038c51b791efa
pygments@2.18.0
2.20.0
opea/embedding-tei:1.05c9639de61c1
pygments@2.18.0
2.20.0
opea/llm-tgi:1.00c25aab3f106
pygments@2.18.0
2.20.0
opea/reranking-tei:1.0e48613afb191
pygments@2.18.0
2.20.0
opea/retriever-redis:1.0eb746b263705
pygments@2.18.0
2.20.0

Open the chart page →

39,090
codegentest-opea1.0.02 of 5See more

codegen test-opea 1.0.0

2 of the 5 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/codegen:1.058f91683892d
pygments@2.18.0
2.20.0
opea/llm-tgi:1.00c25aab3f106
pygments@2.18.0
2.20.0

Open the chart page →

28,814
codetranstest-opea1.0.02 of 5See more

codetrans test-opea 1.0.0

2 of the 5 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/codetrans:1.0e2436483b73d
pygments@2.18.0
2.20.0
opea/llm-tgi:1.00c25aab3f106
pygments@2.18.0
2.20.0

Open the chart page →

28,385
docsumtest-opea1.0.02 of 5See more

docsum test-opea 1.0.0

2 of the 5 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/docsum:1.03eaa91849512
pygments@2.18.0
2.20.0
opea/llm-docsum-tgi:1.002f9e8fa5d71
pygments@2.18.0
2.20.0

Open the chart page →

28,858
embedding-usvctest-opea1.0.01 of 1See more

embedding-usvc test-opea 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/embedding-tei:1.05c9639de61c1
pygments@2.18.0
2.20.0

Open the chart page →

5,185
guardrails-usvctest-opea1.0.01 of 1See more

guardrails-usvc test-opea 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/guardrails-tgi:1.0262c6048aab8
pygments@2.18.0
2.20.0

Open the chart page →

5,221
llm-uservicetest-opea1.0.01 of 1See more

llm-uservice test-opea 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/llm-tgi:1.00c25aab3f106
pygments@2.18.0
2.20.0

Open the chart page →

4,720
reranking-usvctest-opea1.0.01 of 1See more

reranking-usvc test-opea 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/reranking-tei:1.0e48613afb191
pygments@2.18.0
2.20.0

Open the chart page →

4,985
retriever-usvctest-opea1.0.01 of 1See more

retriever-usvc test-opea 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/retriever-redis:1.0eb746b263705
pygments@2.18.0
2.20.0

Open the chart page →

5,198
speecht5test-opea1.0.01 of 1See more

speecht5 test-opea 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/speecht5:1.0249afad3d268
pygments@2.18.0
2.20.0

Open the chart page →

9,616
ttstest-opea1.0.01 of 1See more

tts test-opea 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/tts:1.0257ae94709e9
pygments@2.18.0
2.20.0

Open the chart page →

4,377
web-retrievertest-opea1.0.01 of 1See more

web-retriever test-opea 1.0.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
opea/web-retriever-chroma:1.0fe08165d7770
pygments@2.18.0
2.20.0

Open the chart page →

5,350
tezos-nodetezos-nodeVerified publisher1.0.01 of 4See more

tezos-node tezos-node 1.0.0

1 of the 4 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
oxheadalpha/tezos-k8s-utils:5.3.4d9faed45bf1c
pygments@2.10.0
2.20.0

Open the chart page →

5,321
simple-prima-notavcnngrVerified publisher0.5.31 of 4See more

simple-prima-nota vcnngr 0.5.3

1 of the 4 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
dpage/pgadmin4:9.252cb72a9e3da
pygments@2.19.1
2.20.0

Open the chart page →

4,768
devportalveecode-platform-nextVerified publisher0.1.211 of 1See more

devportal veecode-platform-next 0.1.21

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
veecode/devportaldigest-pinnedc443520aebf7
pygments@2.19.2
2.20.0

Open the chart page →

1,787
calibre-webvista0.1.31 of 1See more

calibre-web vista 0.1.3

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
linuxserver/calibre-web:0.6.24241009026e6f
pygments@2.19.2
2.20.0

Open the chart page →

7,628
supersetwbstack0.1.01 of 1See more

superset wbstack 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
apache/superset:4.0.1ab9467fd712c
pygments@2.15.0
2.20.0

Open the chart page →

7,085
zahori-serverzahoriVerified publisher1.0.11 of 2See more

zahori-server zahori 1.0.1

1 of the 2 container images this version deploys carry CVE-2026-4539.

Container imageDigestPackageFixed in
flyway/flyway:9.14.1-alpine80f12c80502b
pygments@2.14.0
2.20.0

Open the chart page →

5,846

Container images carrying it

185 by charts deploying them

A fixed version is listed for 1 of the 2 affected packages.

Container imageDigestPackageFixed inUsed by
openbas/caldera-server:5.1.0a277796d9724
pygments@2.19.1
2.20.0
1
opencsghq/agenticflow:ee-v0.6-52f03fead54db
pygments@2.19.2
2.20.0
1
opencsghq/csgbot:v0.6.7-eeaf7191a9cf8a
pygments@2.19.2
2.20.0
1
opencsghq/csgship-agentic:v0.4.02cd29671a03e
pygments@2.19.2
2.20.0
1
opencsghq/csgship-web:v0.4.0c36a5bac3cf0
pygments@2.17.2
2.20.0
1
opencsghq/label-studio:v2.5.047e22aa71870
pygments@2.16.1
2.20.0
1
opencsghq/label-studio:v2.4.0b4e849fcf94a
pygments@2.16.1
2.20.0
1
opendatacube/wms:latest1b90cdf68831
pygments@2.2.0+dfsg-1
pygments@2.2.0
no fix listed
2.20.0
1
opendatacube/wps:latest80df355a660b
pygments@2.19.2
2.20.0
1
openmined/syft-backend:0.9.5b72f74a68b32
pygments@2.19.1
2.20.0
1
openzaak/open-notificaties:1.3.02e65313b9b10
pygments@2.4.2
2.20.0
1
owanio1992/devpi:6.16.04ade8e1e4d7e
pygments@2.19.2
2.20.0
1
oxheadalpha/tezos-k8s-utils:5.3.4d9faed45bf1c
pygments@2.10.0
2.20.0
1
pangeo/base-notebook:2024.01.155fbe688a4f80
pygments@2.17.2
2.20.0
1
phan2410/falcon-asgi-server:0.1.04a86d138832d
pygments@2.19.1
2.20.0
1
phntom/email-manager:0.1.22d8e2a9f2f085
pygments@2.14.0
2.20.0
1
prefecthq/prefect:2.20.4-python3.101df4b5b6238a
pygments@2.18.0
2.20.0
1
redash/redash:25.8.000d813437db5
pygments@2.19.1
2.20.0
1
redash/redash:26.3.0c5c9148f5c38
pygments@2.19.1
2.20.0
1
roadiehq/community-backstage-image:latestef355bf5b639
pygments@2.7.4
2.20.0
1
robmarkcole/deepstack-ui:latest410275726459
pygments@2.10.0
2.20.0
1
rommapp/romm:5.2.03512f2ca4557
pygments@2.19.2
2.20.0
1
rommapp/romm:4.4.1b909e95d1aab
pygments@2.19.2
2.20.0
1
salehmir/jesse:1.10.101afa95f979e9
pygments@2.19.2
2.20.0
1
searx/searx:1.0.0-211-968b28993dbb3a6d9419
pygments@2.8.0
2.20.0
1
sirrend/helmup-engine:0.1.13699e79e3d4e2
pygments@2.18.0
2.20.0
1
someblackmagic/k8s-testing-multitool:v0.1.06eca64b6b440
pygments@2.3.1+dfsg-1ubuntu2.2
pygments@2.3.1
no fix listed
2.20.0
1
sruthitanneru/pi-sample:ui-lateste565ea454ffd
pygments@2.18.0
2.20.0
1
svtechnmaa/svtech_rundeck:v1.2.26e368ace0977
pygments@2.12.0
2.20.0
1
taigaio/taiga-back:6.4.29f97323cc150
pygments@2.9.0
2.20.0
1
tensorflow/tensorflow:1.6.0-devel1e3172090703
pygments@2.2.0
2.20.0
1
timescale/timescaledb-ha:pg15-latesta8e3322e1cf9
pygments@2.11.2+dfsg-2
pygments@2.11.2
no fix listed
2.20.0
1
timescale/timescaledb-ha:pg14.6-ts2.9.1-p1cdb9ae118899
pygments@2.11.2+dfsg-2
pygments@2.11.2
no fix listed
2.20.0
1
timescale/timescaledb-ha:pg16d7db8f1085a3
pygments@2.11.2+dfsg-2ubuntu0.1
pygments@2.11.2
no fix listed
2.20.0
1
timescale/timescaledb-ha:pg17.2-ts2.18.2e8d0a9cc3db5
pygments@2.11.2+dfsg-2ubuntu0.1
pygments@2.11.2
no fix listed
2.20.0
1
veecode/devportalc443520aebf7
pygments@2.19.2
2.20.0
1
yetiplatform/yeti:2.9.09bcbe2650a14
pygments@2.19.1
2.20.0
1
yetiplatform/yeti:latest9c3006cedcca
pygments@2.19.1
2.20.0
1
zurdi15/romm:2.3.12db88fe44c89
pygments@2.16.1
2.20.0
1
gcr.io/rotationalio-habanero/imgtag:89ec287a534a3170d03
pygments@2.19.1
2.20.0
1
ghcr.io/berriai/litellm-database:litellm_stable_release_branch-v1.75.5-stableab63d26a8a2c
pygments@2.19.2
2.20.0
1
ghcr.io/blakeblackshear/frigate:0.14.122e3d0b486df
pygments@2.18.0
2.20.0
1
ghcr.io/blakeblackshear/frigate:0.13.07a5244e4c8dc
pygments@2.17.2
2.20.0
1
ghcr.io/cfi2017/opencve-scheduler:3.0.08d943799621b
pygments@2.18.0
2.20.0
1
ghcr.io/cosmo-tech/cosmotech-copilot-api:latesta2be95de450c
pygments@2.17.2
2.20.0
1
ghcr.io/dask/dask-kubernetes-operator:2026.3.03225d2bc6b3c
pygments@2.19.2
2.20.0
1
ghcr.io/dask/dask-notebook:2024.1.0f53bde3acd4f
pygments@2.17.2
2.20.0
1
ghcr.io/dfir-iris/iriswebapp_app:v2.4.26e59ebde55709
pygments@2.19.2
2.20.0
1
ghcr.io/dodevops/azure-advanced-backup:0.4.01041d4449e49
pygments@2.12.0
2.20.0
1
ghcr.io/gabe565/obico/web:latesta5c1daef46c0
pygments@2.19.1
2.20.0
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.