CVE-2026-45409

Medium

Advisory

Published 19 May 2026In the index since 5 Sept 2026

Severity: Medium; worst across findings
CVSS: 5.3; base score, highest
EPSS: 0.004; 34th percentile
CISA KEV: Not listed; no confirmed exploitation
Charts affected: 921; of 17,787 indexed, latest versions
Container images: 979; deployed by those charts
Fix available: 4 of 5; affected packages

Internationalized Domain Names in Applications (IDNA): Specially crafted inputs to idna.encode() can bypass CVE-2024-3651 fix

Carried by container images the latest versions of 921 of 17,787 indexed charts deploy, on 979 images.

Affected package	Affected versions	Fixed in	Images
idnapypi	2.4, 2.5, 2.6, 2.7+15 more	3.15	942
python-pipdeb	1.5.4-1ubuntu4, 8.1.1-2ubuntu0.4, 9.0.1-2.3~ubuntu1, 9.0.1-2.3~ubuntu1.18.04.1+23 more	no fix listed	108
python-idnadeb	2.6-1, 2.8-1, 2.8-1ubuntu0.1, 3.3-1+3 more	3.3-1ubuntu0.2, 3.6-2ubuntu0.2	69
python-idnarpm	2.5-5.el8, 2.5-7.el8_10, 2.10-7.el9, 2.10-7.el9_4.1+1 more	0:2.5-8.el8_10, 0:2.10-8.el9_8, 0:3.7-6.el10_2	64
py3-pipapk	25.0.1-r0, 25.2-r0, 26.0.1-r1	26.1.2-r1	3

OSV records: CGA-9qj9-xwv6-6g35 CGA-jxvh-c6v2-m7x3 DEBIAN-CVE-2026-45409 GHSA-65pc-fj4g-8rjx RHSA-2026:54290 RHSA-2026:54481 RHSA-2026:54484 RLSA-2026:54481 UBUNTU-CVE-2026-45409
Also known as: CGA-gpf6-q7mq-4ppj, CGA-qfx6-f9w7-v6f4, PYSEC-2026-215, USN-8549-1

Charts affected

921 by stars

Chart

Latest

Affected images

Radar Score

kongwallarm

4.6.3

1 of 7 See more

kong wallarm 4.6.3

1 of the 7 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
wallarm/ingress-python :4.6.0-1	5cb2ae08b40f	idna@2.6	3.15

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11,444

wallarm-node-nextwallarm

0.5.3

1 of 2 See more

wallarm-node-next wallarm 0.5.3

1 of the 2 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
wallarm/node-helpers :5.0.2-1	097cadc42336	idna@3.7	3.15

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2,408

wallarm-oobwallarm

0.23.0

1 of 3 See more

wallarm-oob wallarm 0.23.0

1 of the 3 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
wallarm/node-helpers :6.10.1	aecd88b24c51	idna@3.7	3.15

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2,824

wasabi-s3-operatorwasabi-s3-operator

0.2.7

1 of 1 See more

wasabi-s3-operator wasabi-s3-operator 0.2.7

1 of the 1 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
kenchrcum/wasabi-s3-operator :0.2.7	ce657c622ce5	idna@3.11	3.15

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629

wazuhwazuh-helm-eks

1.2.10

1 of 6 See more

wazuh wazuh-helm-eks 1.2.10

1 of the 6 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
wazuh/wazuh-manager :4.14.4	5a065930682d	idna@3.7	3.15

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5,484

wazuh-manager-filebeatwazuh-manager-filebeat

0.1.0-gamma

1 of 1 See more

wazuh-manager-filebeat wazuh-manager-filebeat 0.1.0-gamma

1 of the 1 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
iosifache/wazuh-manager-filebeat :latest	85df3f04b5da	idna@2.9	3.15

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11,167

supersetwbstack

0.1.0

1 of 1 See more

6,540

weather-chartweather-web-app

0.1.0

1 of 1 See more

weather-chart weather-web-app 0.1.0

1 of the 1 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
zohardocker12/weather_app_flask :latest	b86d60dbb68d	idna@3.3	3.15

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2,671

ambassadorwenerme

6.9.5

1 of 2 See more

4,086

emissary-ingresswenerme

8.12.2

1 of 2 See more

emissary-ingress wenerme 8.12.2

1 of the 2 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
datawire/emissary :3.12.2	1f67a1292d2a	idna@3.7	3.15

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10,857

juicefs-csi-driverwenerme

0.32.5

1 of 5 See more

juicefs-csi-driver wenerme 0.32.5

1 of the 5 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
juicedata/juicefs-csi-driver :v0.32.5	95008ba63318	idna@3.3 python-idna@3.3-1+deb12u1	3.15 no fix listed

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8,824

ceph-csi-cephfswikimedia

0.1.8

1 of 5 See more

ceph-csi-cephfs wikimedia 0.1.8

1 of the 5 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
quay.io/cephcsi/cephcsi :v3.7.2	f7f8228f17cc	idna@2.5	3.15

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10,286

ceph-csi-rbdwikimedia

0.1.13

1 of 6 See more

ceph-csi-rbd wikimedia 0.1.13

1 of the 6 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
quay.io/cephcsi/cephcsi :v3.7.2	f7f8228f17cc	idna@2.5	3.15

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11,785

docker-hub-rate-limit-exporterwiremind

0.3.0

1 of 1 See more

docker-hub-rate-limit-exporter wiremind 0.3.0

1 of the 1 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
viadee/docker-hub-rate-limit-exporter :version-1.5	2e27e3b3ee56	idna@2.10	3.15

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1,843

marge-botwiremind

1.4.4

1 of 1 See more

marge-bot wiremind 1.4.4

1 of the 1 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
hiboxsystems/marge-bot :0.14.0	dcffb926e563	idna@3.4	3.15

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5,548

powerdnsadminwitcom-gmbh

0.3.4

1 of 1 See more

powerdnsadmin witcom-gmbh 0.3.4

1 of the 1 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
ngoduykhanh/powerdns-admin :v0.2.4	ba36ab196d3d	idna@2.10	3.15

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2,643

xkopsxkops

0.1.0

2 of 5 See more

xkops xkops 0.1.0

2 of the 5 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
hamzaarshad10/querybackend :1.6.2	2c1c3b86a8e7	idna@3.10	3.15
hamzaarshad10/querypodpy :1.7	154f38e8668e	idna@3.10	3.15

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13,197

enterprise-gatewayzeet

3.2.2

1 of 2 See more

enterprise-gateway zeet 3.2.2

1 of the 2 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
elyra/kernel-image-puller :3.2.2	c922f1f1646a	idna@3.4	3.15

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1,838

zerossl-cert-managerzerossl-cert-manager

0.1.0

1 of 2 See more

zerossl-cert-manager zerossl-cert-manager 0.1.0

1 of the 2 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
andreymileshin/zerossl-issuer :v1.0.0	e0825acc9e48	idna@3.10	3.15

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569

alertmanager-matrix-forwarderzloi-space

1.0.1

1 of 2 See more

alertmanager-matrix-forwarder zloi-space 1.0.1

1 of the 2 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
matrixdotorg/pantalaimon :v0.10.4	ba6a587fa508	idna@3.3	3.15

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3,118

grafana-matrix-forwarderzloi-space

1.0.0

1 of 2 See more

grafana-matrix-forwarder zloi-space 1.0.0

1 of the 2 container images this version deploys carry CVE-2026-45409.

Container image	Digest	Package	Fixed in
matrixdotorg/pantalaimon :v0.10.4	ba6a587fa508	idna@3.3	3.15

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1,636

Container images carrying it

979 by charts deploying them

A fixed version is listed for 4 of the 5 affected packages.

Container image	Digest	Package	Fixed in	Used by
wallarm/node-helpers :5.0.2-1	097cadc42336	idna@3.7	3.15	1
wallarm/node-helpers :6.10.1	aecd88b24c51	idna@3.7	3.15	1
wazuh/wazuh-manager :4.11.1	1da5c38c6a78	idna@3.7	3.15	1
wazuh/wazuh-manager :4.4.1	21994f40e0da	idna@2.9	3.15	1
wazuh/wazuh-manager :4.14.4	5a065930682d	idna@3.7	3.15	1
wazuh/wazuh-manager :4.14.3	f09282d281f6	idna@3.7	3.15	1
weblate/weblate :3.11.3-1	82848df56ecd	idna@2.9	3.15	1
wiremind/pghoard :12-2019-11-26	4dea42c8166c	idna@2.8	3.15	1
witcherek7/pav :0.0.3	42a744f29ac0	idna@3.4	3.15	1
xeladock/mysql_dns :latest	4baf531453f1	python-pip@22.0.2+dfsg-1	no fix listed	1
ybucci/traefik-external-dns-operator :1.0.0	f1fcc7c8d9fd	idna@3.10	3.15	1
yetiplatform/yeti :2.9.0	9bcbe2650a14	idna@3.10	3.15	1
yetiplatform/yeti :latest	9c3006cedcca	idna@3.10	3.15	1
youssef11gaber10/deployment-weather-flask :latest	96bce8b8b5a7	idna@3.11	3.15	1
zepai/knowledge-graph-mcp :v0.2.1	6ab0ee79926b	idna@3.10	3.15	1
zohardocker12/weather_app_flask :latest	b86d60dbb68d	idna@3.3	3.15	1
zurdi15/romm :2.3.1	2db88fe44c89	idna@3.4	3.15	1
gcr.io/getindata-images-public/mlflow :latest	25d6975951f1	idna@3.7	3.15	1
gcr.io/google-samples/microservices-demo/loadgenerator :v0.2.3	360130ab5850	idna@2.10	3.15	1
gcr.io/google-samples/microservices-demo/recommendationservice :v0.2.3	5f60c4988859	idna@2.10	3.15	1
gcr.io/kubecost1/kubecost-modeling :v0.1.24	a2259b098b13	idna@3.10	3.15	1
gcr.io/kubecost1/kubecost-modeling :v0.1.22	a461dc5cb96a	idna@2.10 python-idna@2.10-7.el9_4.1	3.15 0:2.10-8.el9_8	1
gcr.io/ml-pipeline/metadata-writer :2.3.0	9bcfd2abc361	idna@3.4	3.15	1
gcr.io/ml-pipeline/metadata-writer :2.0.0-alpha.5	ec3ae9f6df47	idna@3.3	3.15	1
gcr.io/rotationalio-habanero/imgtag :89ec287	a534a3170d03	idna@3.10	3.15	1
ghcr.io/abcdesktopio/route :4.4	49c972229c6b	idna@3.11	3.15	1
ghcr.io/angelscloud/prometheus-optimizer :latest	744bc929a579	idna@3.10	3.15	1
ghcr.io/avistotelecom/docker-wazuh-agent :4.12.0	8766ba08bf1a	idna@3.10 python-idna@3.3-1+deb12u1	3.15 no fix listed	1
ghcr.io/aws-exporters/prometheus-ecr-exporter :0.1.4	42b0c87470d6	idna@3.3	3.15	1
ghcr.io/aws-exporters/prometheus-inspector-exporter :0.0.2	9c7c11293b3c	idna@3.3	3.15	1
ghcr.io/axoflow/axosyslog :4.5.0	aa7831e207cd	idna@3.4	3.15	1
ghcr.io/bensoer/external-secrets-reloader :v0.1.3	8e31b5a81853	idna@3.11	3.15	1
ghcr.io/bensoer/sibyl :v0.2.0	6dca4455fde3	idna@3.11	3.15	1
ghcr.io/berriai/litellm-database :litellm_stable_release_branch-v1.75.5-stable	ab63d26a8a2c	idna@3.10 py3-pip@25.2-r0	3.15 26.1.2-r1	1
ghcr.io/blakeblackshear/frigate :0.14.1	22e3d0b486df	idna@3.7	3.15	1
ghcr.io/blakeblackshear/frigate :0.13.0	7a5244e4c8dc	idna@3.6	3.15	1
ghcr.io/blakeblackshear/frigate :0.12.0	c862771e38e8	idna@3.4	3.15	1
ghcr.io/borgmatic-collective/borgmatic :1.9.9	835b72878606	idna@3.10	3.15	1
ghcr.io/brittonhayes/arma-reforger :latest	6fde1edc0983	idna@2.8 python-idna@2.8-1	3.15 no fix listed	1
ghcr.io/browserless/chrome :v2.56.7	d600eac6283f	python-pip@24.0+dfsg-1ubuntu1.3	no fix listed	1
ghcr.io/browserless/chromium :v2.55.4	2ed0183564d7	python-pip@24.0+dfsg-1ubuntu1.3	no fix listed	1
ghcr.io/browserless/chromium :v2.43.0	853e6f105b51	python-pip@24.0+dfsg-1ubuntu1.3	no fix listed	1
ghcr.io/caas-team/py-kube-downscaler :26.4.0	af05a098b0d2	idna@3.11	3.15	1
ghcr.io/camptocamp/tetragon-policy-builder :master	0e99f12bb040	idna@3.10	3.15	1
ghcr.io/cfi2017/opencve-scheduler :3.0.0	8d943799621b	idna@3.10	3.15	1
ghcr.io/cleanuparr/cleanuparr :2.10.5	c7cd53ad559a	python-pip@24.0+dfsg-1ubuntu1.3	no fix listed	1
ghcr.io/cloudnative-pg/postgresql :14.5	b3b30d04b362	idna@3.4	3.15	1
ghcr.io/colenio/slo-reporting :0.3.31	6b64d194a27d	idna@3.10	3.15	1
ghcr.io/comet-ml/opik/opik-python-backend :2.2.61	df70104803cb	idna@3.11	3.15	1
ghcr.io/cosmo-tech/cosmotech-copilot-api :latest	a2be95de450c	idna@3.6	3.15	1