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

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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
searx/searx :1.0.0-211-968b2899	3dbb3a6d9419	idna@2.9	3.15	1
seldonio/locust-core :0.8	1d0da98a2d76	idna@2.8 python-pip@8.1.1-2ubuntu0.4	3.15 no fix listed	1
seldonio/seldon-request-logger :1.11.2	4e985d2006a8	idna@2.5 python-idna@2.5-5.el8	3.15 0:2.5-8.el8_10	1
semaphoreui/semaphore :v2.9.64	5b50bc11833f	idna@3.4	3.15	1
semaphoreui/semaphore :v2.18.3	e9260bfa8255	idna@3.14	3.15	1
shadowrhyder/gke-volume-autoscaler :3.0.2	4aae9270356a	idna@3.10	3.15	1
shaowenchen/ops-controller-manager :latest	26da43bb5b66	python-pip@22.0.2+dfsg-1ubuntu0.7	no fix listed	1
shaowenchen/ops-server :latest	315444f703f4	python-pip@22.0.2+dfsg-1ubuntu0.6	no fix listed	1
sharanalwar/redchef-backend :latest	8d3cab80df49	idna@3.10	3.15	1
sirrend/helmup-engine :0.1.13	699e79e3d4e2	idna@3.7	3.15	1
sirrend/helmup-github-scraper :0.1.4	7ca688c7abf5	idna@3.7	3.15	1
sirrend/helmup-notifications-service :0.1.3	997866417011	idna@3.7	3.15	1
sissbruecker/linkding :1.35.0	0c5dddf0b37c	idna@3.10	3.15	1
sissbruecker/linkding :1.41.0-plus	a222fb777e1f	idna@3.10	3.15	1
skylenet/ethereum-genesis-generator :latest	210353ce7c89	idna@3.4	3.15	1
smarketshq/marge-bot :0.9.2	cfc765b27e64	idna@2.8	3.15	1
socialmediamacroscope/autophrase :0.1.5	70fb11d4f531	idna@3.4 python-pip@20.0.2-5ubuntu1.9	3.15 no fix listed	1
socialmediamacroscope/classification_predict :0.1.2	4fb86885d64d	idna@3.4	3.15	1
socialmediamacroscope/classification_split :0.1.2	4bfda60829fe	idna@3.4	3.15	1
socialmediamacroscope/classification_train :0.1.2	07477060bba8	idna@3.4	3.15	1
socialmediamacroscope/clowder_create_collection :0.1.0	c969f7677983	idna@3.4	3.15	1
socialmediamacroscope/clowder_create_dataset :0.1.0	9b4211832429	idna@3.4	3.15	1
socialmediamacroscope/clowder_create_space :0.1.0	999f2ff2c128	idna@3.4	3.15	1
socialmediamacroscope/clowder_list :0.1.0	51cb17626519	idna@3.4	3.15	1
socialmediamacroscope/clowder_upload_file :0.1.2	74e35f64db68	idna@3.4	3.15	1
socialmediamacroscope/collect_reddit_comment :0.1.2	19d3d26d53ee	idna@2.6 python-idna@2.6-1 python-pip@9.0.1-2.3~ubuntu1.18.04.8	3.15 no fix listed no fix listed	1
socialmediamacroscope/histogram :0.1.2	6418f9bdb4d2	idna@3.7	3.15	1
socialmediamacroscope/image_crawler :0.1.2	f508216be63c	idna@2.6 python-idna@2.6-1 python-pip@9.0.1-2.3~ubuntu1.18.04.8	3.15 no fix listed no fix listed	1
socialmediamacroscope/network_analysis :0.1.3	b351c21422e6	idna@3.4	3.15	1
socialmediamacroscope/preprocessing :0.1.3	ca863306314b	idna@3.4	3.15	1
socialmediamacroscope/screen_name_prompt :0.1.2	724f3f5702e0	idna@3.4	3.15	1
socialmediamacroscope/topic_modeling :0.1.3	fa490acac2f8	idna@3.4	3.15	1
softonic/gar-exporter :0.2.1	a64d6c0e0ae5	idna@2.10	3.15	1
sokushinbutsu/devnopes :latest	0bbd90448671	idna@3.14	3.15	1
someblackmagic/k8s-testing-multitool :v0.1.0	6eca64b6b440	idna@2.8 python-idna@2.8-1 python-pip@20.0.2-5ubuntu1.6	3.15 no fix listed no fix listed	1
splunk/splunk-operator :2.0.0	c4e0d3146226	idna@2.5 python-idna@2.5-5.el8	3.15 0:2.5-8.el8_10	1
sruthitanneru/pi-sample :ui-latest	e565ea454ffd	idna@3.10	3.15	1
sslhep/servicex-did-finder :v1.8.5	ab0090083567	idna@2.10	3.15	1
sslhep/x509-secrets :v1.8.5	d9e9ecb12d59	idna@2.10	3.15	1
stackstorm/st2actionrunner :3.8	88235ba70cad	idna@2.10 python-idna@2.8-1	3.15 no fix listed	1
stackstorm/st2api :3.8	6f56d239d280	idna@2.10 python-idna@2.8-1	3.15 no fix listed	1
stackstorm/st2auth :3.8	33ecfda16608	idna@2.8 python-idna@2.8-1	3.15 no fix listed	1
stackstorm/st2garbagecollector :3.8	4e3f8c7ca52d	idna@2.10 python-idna@2.8-1	3.15 no fix listed	1
stackstorm/st2notifier :3.8	f190a6212195	idna@2.10 python-idna@2.8-1	3.15 no fix listed	1
stackstorm/st2rulesengine :3.8	259503496ff9	idna@2.10 python-idna@2.8-1	3.15 no fix listed	1
stackstorm/st2scheduler :3.8	b1de2055c362	idna@2.10 python-idna@2.8-1	3.15 no fix listed	1
stackstorm/st2sensorcontainer :3.8	b1a338f64773	idna@2.8 python-idna@2.8-1	3.15 no fix listed	1
stackstorm/st2stream :3.8	1c8904a3bf67	idna@2.10 python-idna@2.8-1	3.15 no fix listed	1
stackstorm/st2timersengine :3.8	1bf35bfaf00c	idna@2.10 python-idna@2.8-1	3.15 no fix listed	1
stackstorm/st2workflowengine :3.8	19fdfffdbba8	idna@2.8 python-idna@2.8-1	3.15 no fix listed	1