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
netbirdio/dashboard :v2.90.2	332cc31f5f35	idna@3.2	3.15	1
netbirdio/dashboard :v2.13.1	88b5fb704a8c	idna@3.2	3.15	1
netboxcommunity/netbox :v3.2.8	3d652dca5351	idna@3.3	3.15	1
netboxcommunity/netbox :v3.7.8-2.8.0	9bf83b350a89	idna@3.7	3.15	1
networktocode/nautobot :3.0-py3.13	ed484336b1ad	idna@3.11	3.15	1
ngoduykhanh/powerdns-admin :0.2.3	099371dd9ba6	idna@2.9	3.15	1
ngoduykhanh/powerdns-admin :latest	9898a7cf37d2	idna@2.10	3.15	1
nlmacamp/check_mk :latest	5dbb8589f824	idna@2.5	3.15	1
nyurik/alpine-python3-requests :latest	e0553236e3eb	idna@2.10	3.15	1
octoprint/octoprint :1.4.0	106c26efcd8a	idna@2.10	3.15	1
octoprint/octoprint :1.6.1	ea3bffae2470	idna@2.10	3.15	1
odavid/my-bloody-jenkins :2.462.3-306	e7ab3bbc948e	idna@3.10	3.15	1
omecproject/mme-exporter :paging-latest	bcc5f19fd676	idna@2.6 python-idna@2.6-1 python-pip@9.0.1-2.3~ubuntu1.18.04.1	3.15 no fix listed no fix listed	1
omecproject/progran-synchronizer :comac-1.0.0	d109a8e57e71	idna@2.6 python-pip@8.1.1-2ubuntu0.4	3.15 no fix listed	1
omkara25/simple-microservice-app-order-service :v2.1	8327546c7aac	idna@3.10	3.15	1
omkara25/simple-microservice-app-payment-service :v2	afff40172b6b	idna@3.10	3.15	1
omkara25/simple-microservice-app-user-service :v2	d62cba548580	idna@3.10	3.15	1
opea/asr :1.0	25dd26d9cd09	idna@3.10	3.15	1
opea/chatqna :1.0	38c51b791efa	idna@3.10	3.15	1
opea/codegen :1.0	58f91683892d	idna@3.10	3.15	1
opea/codetrans :1.0	e2436483b73d	idna@3.10	3.15	1
opea/docsum :1.0	3eaa91849512	idna@3.10	3.15	1
opea/guardrails-tgi :1.0	262c6048aab8	idna@3.10	3.15	1
opea/guardrails-tgi :latest	f68bec6a1271	idna@3.10	3.15	1
opea/llm-docsum-tgi :1.0	02f9e8fa5d71	idna@3.10	3.15	1
opea/speecht5 :1.0	249afad3d268	idna@3.10	3.15	1
opea/tts :1.0	257ae94709e9	idna@3.10	3.15	1
opea/web-retriever-chroma :1.0	fe08165d7770	idna@3.10	3.15	1
openbas/caldera-server :5.1.0	a277796d9724	idna@3.10	3.15	1
opencsghq/agenticflow :ee-v0.6-5	2f03fead54db	idna@3.10	3.15	1
opencsghq/csgbot :v0.6.7-ee	af7191a9cf8a	idna@3.11	3.15	1
opencsghq/csgship-agentic :v0.4.0	2cd29671a03e	idna@3.10	3.15	1
opencsghq/csgship-web :v0.4.0	c36a5bac3cf0	idna@3.10	3.15	1
opencsghq/label-studio :v2.5.0	47e22aa71870	idna@3.7	3.15	1
opencsghq/label-studio :v2.4.0	b4e849fcf94a	idna@3.7	3.15	1
opendatacube/explorer :latest	120457ffcd69	idna@3.11	3.15	1
opendatacube/pipelines :wofs-1.22	5d810e8504b8	idna@2.6 python-pip@9.0.1-2.3~ubuntu1	3.15 no fix listed	1
opendatacube/restcube :latest	91870111837c	idna@2.6 python-idna@2.6-1 python-pip@9.0.1-2.3~ubuntu1	3.15 no fix listed no fix listed	1
opendatacube/wms :latest	1b90cdf68831	idna@2.6 python-idna@2.6-1 python-pip@9.0.1-2.3~ubuntu1	3.15 no fix listed no fix listed	1
opendatacube/wps :latest	80df355a660b	idna@3.10	3.15	1
openelevation/open-elevation :latest	82fb21612e86	python-pip@20.0.2-5ubuntu1.6	no fix listed	1
openemr/openemr :6.1.0	89eaa6d9a4e3	idna@3.3	3.15	1
openmined/syft-backend :0.9.5	b72f74a68b32	idna@3.10 py3-pip@25.0.1-r0	3.15 26.1.2-r1	1
openmined/syft-seaweedfs :0.9.5	3a4144c0bb82	idna@3.7	3.15	1
openspeedtest/latest :v2.0.0	d4d62f4b7d85	idna@3.4	3.15	1
openstackhelm/heat :wallaby-ubuntu_focal	f728510bab3c	idna@2.10	3.15	1
openstackhelm/keystone :wallaby-ubuntu_focal	e07d75953d2e	idna@2.10	3.15	1
openvpn/openvpn-as :latest	2253c10ec652	idna@3.6	3.15	1
openwhisk/ow-utils :1.0.0	c80dba0de3aa	idna@2.6 python-idna@2.6-1 python-pip@9.0.1-2.3~ubuntu1.18.04.4	3.15 no fix listed no fix listed	1
openzaak/open-notificaties :1.3.0	2e65313b9b10	idna@3.3	3.15	1