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
ghcr.io/k8s-at-home/nzbget :v21.1	e5571acd10ce	idna@3.3	3.15	1
ghcr.io/k8s-at-home/sabnzbd :v3.3.1	c2d6e775db5a	idna@2.10	3.15	1
ghcr.io/k8s-at-home/tautulli :v2.7.7	4ea617c30397	idna@3.3	3.15	1
ghcr.io/kubeflow/spark-operator/controller :2.2.1	865ff4da5686	python-pip@20.0.2-5ubuntu1.11	no fix listed	1
ghcr.io/kubeshop/k8s-sidecar :ignore-initial-events	7f583a36a764	idna@3.4	3.15	1
ghcr.io/kubiyabot/sdk-py :v1.20.0	f108f49570cc	idna@3.10	3.15	1
ghcr.io/leprechaun/owntracks-exporter :0.1.11-de545066	099e1abd6d08	idna@3.4	3.15	1
ghcr.io/lerentis/bitwarden-crd-operator :0.17.0	0a608c6ead85	idna@3.11	3.15	1
ghcr.io/libretime/libretime-analyzer :latest	3d5e236216ad	idna@3.10	3.15	1
ghcr.io/libretime/libretime-api :latest	eae026cc8909	idna@3.10	3.15	1
ghcr.io/libretime/libretime-playout :latest	71a8706531aa	idna@3.10	3.15	1
ghcr.io/libretime/libretime-worker :latest	d39ff5272b2e	idna@3.10	3.15	1
ghcr.io/linuxserver/calibre-web :0.6.26	7c0464228f2f	python-pip@24.0+dfsg-1ubuntu1.3	no fix listed	1
ghcr.io/linuxserver/healthchecks :version-v3.9	b5c6bfb00b03	idna@3.10	3.15	1
ghcr.io/linuxserver/mylar3 :version-v0.5.3	b96f0e97ab3f	idna@3.1	3.15	1
ghcr.io/linuxserver/tvheadend :version-eb59284b	66c4c9e18e40	idna@2.9	3.15	1
ghcr.io/liturgical-app/calendar-api :0.0.9	688a685e2bde	idna@3.10	3.15	1
ghcr.io/liturgical-app/liturgical-api :1.0.12	637bdcebdd8d	idna@3.11	3.15	1
ghcr.io/liturgical-app/liturgical-app :1.2.0	41f25aded572	idna@3.10	3.15	1
ghcr.io/livepeer/cloudflared-ingress-operator :latest	c179cdcaa050	idna@3.11	3.15	1
ghcr.io/llm-d/llm-d-model-service :v0.0.15	8b99a8104a2f	idna@2.10 python-idna@2.10-7.el9_4.1	3.15 0:2.10-8.el9_8	1
ghcr.io/lsst-sqre/strimzi-registry-operator :0.6.0	7e25f7048aff	idna@3.3	3.15	1
ghcr.io/m0nsterrr/hyperglass :v2.0.4	f7b5d20c5e42	idna@3.7	3.15	1
ghcr.io/mealie-recipes/mealie :v3.2.1	322369a5b748	idna@3.4	3.15	1
ghcr.io/mealie-recipes/mealie :v1.4.0	b56da41cf178	idna@3.4	3.15	1
ghcr.io/mealie-recipes/mealie :v3.7.0	bb2939094eed	idna@3.11	3.15	1
ghcr.io/mglants/kea-dhcp :2.5.8	e1b6eb9e37f9	idna@3.7	3.15	1
ghcr.io/middleware-labs/odigos-odiglet :middleware-test-0.0.1	03c8c835ecee	idna@3.4	3.15	1
ghcr.io/middleware-labs/vision-odiglet :middleware-test-0.0.3	bce34c98668e	idna@3.4	3.15	1
ghcr.io/mirio/verbacap :v1.5.0	84928e2fc4f2	idna@3.7	3.15	1
ghcr.io/mlops-for-all/mlflow-tracking-server :3.8-1.30.1-v1.0.0	d30e631684c3	idna@3.4	3.15	1
ghcr.io/mshade/kronic :v0.1.4	66e3043851cd	idna@3.6	3.15	1
ghcr.io/music-assistant/server :2.7.5	3522e8a7a8f0	idna@3.11	3.15	1
ghcr.io/music-assistant/server :2.8.7	eef3ee7810d0	idna@3.13	3.15	1
ghcr.io/nefelim4ag/pingdom-operator :0.0.15	f8c7afdcf439	idna@3.7	3.15	1
ghcr.io/nicolargo/klances :0.1.3	74d6d33376eb	idna@3.11	3.15	1
ghcr.io/olivetin/olivetin :2025.2.19	a89958921526	idna@3.7	3.15	1
ghcr.io/openappsec/openappsec-waf-webhook :1.1.34	5b979b962043	idna@3.11	3.15	1
ghcr.io/opencost/opencost-parquet-exporter :v0.2.1	ce85ef0ce665	idna@3.10	3.15	1
ghcr.io/openrelik/openrelik-metrics :latest	3d0f1ddeebf5	idna@3.11	3.15	1
ghcr.io/openrelik/openrelik-worker-analyzer-config :latest	1269d3d8d2c2	idna@3.6 python-pip@24.0+dfsg-1ubuntu1.3	3.15 no fix listed	1
ghcr.io/openrelik/openrelik-worker-analyzer-logs :latest	b175cc61959a	idna@3.6 python-pip@24.0+dfsg-1ubuntu1.3	3.15 no fix listed	1
ghcr.io/openrelik/openrelik-worker-containers :latest	a6d5abe94706	idna@3.6 python-pip@24.0+dfsg-1ubuntu1.3	3.15 no fix listed	1
ghcr.io/openrelik/openrelik-worker-extraction :latest	ec9fc5864cd5	idna@3.6	3.15	1
ghcr.io/openrelik/openrelik-worker-os-creds :latest	7fc7ec101f08	idna@3.6 python-pip@24.0+dfsg-1ubuntu1.3	3.15 no fix listed	1
ghcr.io/openrelik/openrelik-worker-plaso :latest	75537ea8c851	idna@3.6 python-pip@24.0+dfsg-1ubuntu1.3	3.15 no fix listed	1
ghcr.io/open-telemetry/demo :1.12.0-loadgenerator	85c9935ff31b	idna@3.4	3.15	1
ghcr.io/oznu/homebridge :2022-07-08	ff2af53897e7	python-pip@20.0.2-5ubuntu1.6	no fix listed	1
ghcr.io/paperless-ngx/paperless-ngx :2.13.1	0642357c5dbd	idna@3.10	3.15	1
ghcr.io/paperless-ngx/paperless-ngx :2.20.13	4b05bcd28e69	idna@3.10	3.15	1