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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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

Open the chart page →

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
greenbirdit/locust :0.9.0	e99d53bdc944	idna@2.8	3.15	1
gristlabs/grist :0.7.9	6e71b1914a7e	idna@3.3	3.15	1
grpl/grapple-cli :0.2.127	c00aafee6629	python-pip@24.0+dfsg-1ubuntu1	no fix listed	1
guillh/web3-prometheus-exporter :0.3.0	4fb99dbc32b2	idna@3.7	3.15	1
gurolakman/oam :4.0.0	ed8fd2062548	idna@2.5 python-idna@2.5-7.el8_10	3.15 0:2.5-8.el8_10	1
gurolakman/smsf-configuration :1.0.4	9abb3882bcbd	idna@2.5 python-idna@2.5-5.el8	3.15 0:2.5-8.el8_10	1
gurolakman/smsf-dispatcher :1.0.4	6537e8ed8de8	idna@2.5 python-idna@2.5-5.el8	3.15 0:2.5-8.el8_10	1
gurolakman/smsf-momt :1.0.4	ce23b20a8a17	idna@2.5 python-idna@2.5-5.el8	3.15 0:2.5-8.el8_10	1
gurolakman/smsf-registration :1.0.4	b22e746edd5d	idna@2.5 python-idna@2.5-5.el8	3.15 0:2.5-8.el8_10	1
gurolakman/ussigw-configuration :1.0.4	bf18525c5ad9	idna@2.5 python-idna@2.5-5.el8	3.15 0:2.5-8.el8_10	1
gurolakman/ussigw-core :1.0.4	8739565c3ea2	idna@2.5 python-idna@2.5-5.el8	3.15 0:2.5-8.el8_10	1
halkeye/slack-resurrect :v0.1.4	77b05e95fdb5	idna@2.8	3.15	1
hamidyousefi93/saam-test :latest	c34f071f6ed0	idna@3.4	3.15	1
hamzaarshad10/querybackend :1.6.2	2c1c3b86a8e7	idna@3.10	3.15	1
hamzaarshad10/querypodpy :1.7	154f38e8668e	idna@3.10	3.15	1
hansehe/locust :1.1.0	bc8e45262bc4	idna@3.10	3.15	1
haveagitgat/tdarr :2.00.18	1256348872ce	idna@2.8 python-idna@2.8-1	3.15 no fix listed	1
haveagitgat/tdarr_node :2.00.10	1e3f9328327d	idna@2.8 python-idna@2.8-1	3.15 no fix listed	1
haveagitgat/tdarr_node :2.17.01	3ff0913202dd	idna@2.8 python-idna@2.8-1	3.15 no fix listed	1
hayk96/alerta-web :9.0.4	86377705e9e3	idna@3.8	3.15	1
hcguersoy/cleanreg :v0.8.0	63b76fdcfbe1	idna@3.3	3.15	1
healthchecks/healthchecks :v2.8.1	e82bb0836e30	idna@3.4	3.15	1
heartexlabs/label-studio :latest	aa461572e8f9	idna@3.7	3.15	1
helicone/clickhouse-migration-runner :v2025.03.05-1	4c69b971a7e4	idna@3.10 python-pip@20.0.2-5ubuntu1.11	3.15 no fix listed	1
helmforge/fastmcp-server :0.2.0	61f759a1421f	idna@3.11	3.15	1
helmforge/fastmcp-server :0.11.2	fcb7017327d6	idna@3.13	3.15	1
hhyo/archery :v1.9.1	1aa41843419e	idna@3.4	3.15	1
hiboxsystems/marge-bot :0.11.0	7235809b43b3	idna@2.10	3.15	1
hiboxsystems/marge-bot :0.12.1	a96c10b61a59	idna@3.4	3.15	1
hiboxsystems/marge-bot :0.16.0	b59f01bc0418	idna@3.6	3.15	1
hiboxsystems/marge-bot :0.14.0	dcffb926e563	idna@3.4	3.15	1
hjacobs/kube-downscaler :23.2.0	5d328c003efe	idna@3.4	3.15	1
hjacobs/kube-janitor :23.7.0	fbb303ed463c	idna@3.4	3.15	1
hjacobs/kube-ops-view :23.5.0	a4fae38f93d7	idna@3.4	3.15	1
hjacobs/kube-resource-report :21.2.1	45f93491c434	idna@2.10	3.15	1
hjacobs/kube-resource-report :22.11.0	c173cd02f5af	idna@3.4	3.15	1
hjacobs/kube-web-view :23.8.0	431f1bf013d0	idna@3.4	3.15	1
hjacobs/kube-web-view :20.10.0	b44a9cf81a2f	idna@2.10	3.15	1
hkotel/mealie :api-v1.0.0beta-2	a7e6b6abe087	idna@3.3	3.15	1
hmdmph/mongo-pod-labeler :1.0.1-alpine	79e4a170f3dc	idna@2.9	3.15	1
hmdmph/redis-pod-labeler :1.0.0-alpine	7f1381fe0f3b	idna@2.9	3.15	1
homeassistant/home-assistant :2023.10.3	021e2afc6e57	idna@3.4	3.15	1
homeassistant/home-assistant :2023.12.4	8d000332b09b	idna@3.6	3.15	1
i4trust/activation-service :2.2.0	9f3719176893	idna@3.4	3.15	1
ibmcom/ibm-enterprise-mongodb-ppc64le :4.4	d28bf361327a	idna@2.5 python-idna@2.5-5.el8	3.15 0:2.5-8.el8_10	1
ihatemoney/ihatemoney :5.2.0	457fda1feb32	idna@3.3	3.15	1
ilum/streamlit-example :1.0.0	ce5dcdeb22ba	idna@3.11	3.15	1
improwised/erpnext-worker :v13.4.1	97280b55cbd4	idna@2.10	3.15	1
intel/dlstreamer-pipeline-server :2022.1.1-ubuntu20	aa8f5483a2ef	idna@2.8 python-idna@2.8-1 python-pip@20.0.2-5ubuntu1.6	3.15 no fix listed no fix listed	1
intelowlproject/intelowl :v6.6.1	0b22e547ea6b	idna@3.11	3.15	1