CVE-2026-21441
HighAdvisory
Published 7 Jan 2026In the index since 5 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 8.9
- base score, highest
- EPSS
- 0.030
- 86th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 830
- of 17,781 indexed, latest versions
- Container images
- 887
- deployed by those charts
- Fix available
- 5 of 5
- affected packages
Decompression-bomb safeguards bypassed when following HTTP redirects (streaming API)
Carried by container images the latest versions of 830 of 17,781 indexed charts deploy, on 887 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| py3-pipapk | 25.0.1-r0, 25.2-r0, 26.0.1-r1 | 26.1.1-r0 | 3 |
| urllib3pypi | 1.22, 1.23, 1.24, 1.24.1+47 more | 2.6.3 | 859 |
| python-pipdeb | 9.0.1-2.3~ubuntu1, 9.0.1-2.3~ubuntu1.18.04.1, 9.0.1-2.3~ubuntu1.18.04.2, 9.0.1-2.3~ubuntu1.18.04.4+13 more | 9.0.1-2.3~ubuntu1.18.04.8+esm8 | 59 |
| python-urllib3deb | 1.22-1ubuntu0.18.04.1, 1.22-1ubuntu0.18.04.2, 1.25.8-2ubuntu0.1, 1.25.8-2ubuntu0.2+8 more | 1.25.8-2ubuntu0.4+esm3, 1.26.5-1~exp1+deb11u3, 1.26.5-1~exp1ubuntu0.5, 1.26.12-1+deb12u3+1 more | 51 |
| py3-urllib3apk | 1.26.18-r1, 1.26.20-r0 | 1.26.18-r2, 1.26.20-r1 | 4 |
- OSV records
- ALPINE-CVE-2026-21441CGA-295m-5rcj-2qm6CGA-7cp6-w84v-cpfxDEBIAN-CVE-2026-21441GHSA-38jv-5279-wg99UBUNTU-CVE-2026-21441DLA-4446-1
- Also known as
- CGA-hqjr-j69p-ch46, CGA-rh7x-c7j6-9qqm, DSA-6102-2, PYSEC-2026-1996, USN-7955-1, USN-7955-2, USN-8010-1
Charts affected
830 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| github-actions-runneradwerx | 0.10.3 | 1 of 1See more | 13,635 |
| paperless-ngxalexmorbo-paperless-ngxVerified publisher | 0.2.0 | 1 of 2See more | 12,037 |
| clearml-agentallegroaiVerified publisher | 5.3.3 | 1 of 1See more | 12,046 |
| clearml-servingallegroaiVerified publisher | 1.6.2 | 2 of 9See more | 17,877 |
| psonoankra-chartsVerified publisher | 1.2.0 | 1 of 2See more | 2,388 |
| upcloud-csiankra-chartsVerified publisher | 0.4.0 | 1 of 8See more | 14,917 |
| anteonanteonVerified publisher | 2.6.4 | 3 of 13See more | 22,202 |
| apache-rangerapache-ranger | 0.1.0 | 1 of 2See more | 7,740 |
| siemassist-iot-cybersecurity-monitroting-siem | 0.1.0 | 1 of 3See more | 10,730 |
| agentbuildkite | 0.6.4 | 1 of 1See more | 2,663 |
| finops-stackcert-managerVerified publisher | 0.0.5 | 1 of 12See more | 12,562 |
| squestchristianhuthVerified publisher | 6.6.7 | 1 of 4See more | 9,971 |
| syncstorage-rschristianhuthVerified publisher | 6.1.1 | 1 of 2See more | 693 |
| cnpg-sandboxcloudnative-pgVerified publisher | 0.6.1 | 1 of 6See more | 7,583 |
| pgbenchcloudnative-pgVerified publisher | 0.1.0 | 1 of 1See more | 2,713 |
| cosmotech-copilot-apicosmotech-apiVerified publisher | 0.1.1 | 1 of 1See more | 11,205 |
| paperless-ngxcrystalnetVerified publisher | 0.2.22 | 1 of 3See more | 13,761 |
| rommcrystalnetVerified publisher | 0.2.20 | 1 of 3See more | 1,944 |
| cubefscubefs | 3.2.0 | 2 of 10See more | 15,891 |
| data-fairdata354-helmVerified publisher | 1.1.2 | 1 of 12See more | 38,346 |
| datacube-explorerdatacube-charts | 0.5.32 | 1 of 1See more | 4,854 |
| datadogdatadog-test | 2.4.23 | 1 of 2See more | 4,568 |
| weblatedeliveryheroVerified publisher | 0.3.2 | 1 of 3See more | 7,984 |
| kubedashdevopstalesOfficialVerified publisher | 4.0.0 | 1 of 8See more | 9,205 |
| trivy-operatordevopstalesVerified publisher | 2.5.0 | 1 of 1See more | 5,598 |
| dominodominoVerified publisher | 0.1.11 | 1 of 3See more | 8,823 |
| archerydoubanVerified publisher | 0.4.3 | 1 of 6See more | 5,853 |
| seafiledr300481Verified publisher | 0.12.1 | 1 of 1See more | 10,858 |
| craftycontrollerdrewburr-labs-helm-chartsVerified publisher | 0.3.0 | 1 of 1See more | 3,671 |
| spinnakerdwardu-helm-charts | 2.2.6 | 1 of 2See more | 8,752 |
| jenkinsedu | 2.7.1 | 1 of 2See more | 4,423 |
| elastalert2elastalert2 | 2.31.0 | 1 of 1See more | 1,801 |
| enbuildenbuildVerified publisher | 0.0.50 | 1 of 6See more | 31,510 |
| genesis-generatorethereum-helm-chartsVerified publisher | 0.2.3 | 1 of 2See more | 3,135 |
| taigafermosit | 0.0.11 | 1 of 7See more | 8,496 |
| obicogabe565Verified publisher | 0.6.0 | 1 of 3See more | 1,965 |
| appdaemongeek-cookbookVerified publisher | 8.4.2 | 1 of 1See more | 3,461 |
| deepstackgeek-cookbookVerified publisher | 1.5.2 | 1 of 2See more | 5,305 |
| healthchecksgeek-cookbookVerified publisher | 4.4.2 | 1 of 1See more | 1,667 |
| kube-ops-viewgeek-cookbookVerified publisher | 1.2.2 | 1 of 1See more | 1,848 |
| lazylibrariangeek-cookbookVerified publisher | 7.4.2 | 1 of 1See more | 11,662 |
| octoprintgeek-cookbookVerified publisher | 6.4.2 | 1 of 1See more | 3,153 |
| paperlessgeek-cookbookVerified publisher | 9.2.0 | 1 of 1See more | 3,924 |
| recipesgeek-cookbookVerified publisher | 6.6.2 | 1 of 2See more | 7,801 |
| sabnzbdgeek-cookbookVerified publisher | 9.4.2 | 1 of 1See more | 10,231 |
| stashgeek-cookbookVerified publisher | 3.4.2 | 1 of 1See more | 15,856 |
| tdarrgeek-cookbookVerified publisher | 4.6.2 | 2 of 2See more | 31,000 |
| tvheadendgeek-cookbookVerified publisher | 5.4.2 | 1 of 1See more | 308 |
| uptime-kumageek-cookbookVerified publisher | 1.4.2 | 1 of 1See more | 5,079 |
| uptimerobot-prometheusgeek-cookbookVerified publisher | 6.4.2 | 1 of 1See more | 2,265 |
Container images carrying it
887 by charts deploying them
A fixed version is listed for 5 of the 5 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| billimek/ | bf8158556035 | urllib3 | 2.6.3 | 1 |
| blacktop/ | fc5e68e2f5ab | urllib3 | 2.6.3 | 1 |
| bmeares/ | 8e9c5bacaa82 | urllib3 | 2.6.3 | 1 |
| bnjbvr/ | 37e216b182c8 | urllib3 | 2.6.3 | 1 |
| boky/ | aafc77238423 | urllib3 | 2.6.3 | 1 |
| bootc/ | f1383295e7be | urllib3 | 2.6.3 | 1 |
| browserless/ | c81ae5585b47 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.4+esm3 2.6.3 | 1 |
| buildkite/ | aec38cfaae0e | urllib3 | 2.6.3 | 1 |
| buntha/ | 154542cc3083 | urllib3 | 2.6.3 | 1 |
| camerahub/ | a5af37dd6e1b | urllib3 | 2.6.3 | 1 |
| camptocamp/ | acfafc308d88 | urllib3 | 2.6.3 | 1 |
| camptocamp/ | 35c91d5fda04 | urllib3 | 2.6.3 | 1 |
| camptocamp/ | bff736b15623 | urllib3 | 2.6.3 | 1 |
| camptocamp/ | 2924b43dbf40 | urllib3 | 2.6.3 | 1 |
| cdignam/ | 5a6a55b39cee | urllib3 | 2.6.3 | 1 |
| chetangautamm/ | e7f7049e1544 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.4+esm3 2.6.3 | 1 |
| chubaofs/ | 15ff74209ce7 | urllib3 | 2.6.3 | 1 |
| chubaofs/ | 205030e045f2 | urllib3 | 2.6.3 | 1 |
| ciuse99/ | d72768245ef5 | urllib3 | 2.6.3 | 1 |
| ckan/ | 84d11924549f | urllib3 | 2.6.3 | 1 |
| cleveritcz/ | c75c1636e0b7 | urllib3 | 2.6.3 | 1 |
| cloudve/ | af56e77ca587 | python-pip urllib3 | 9.0.1-2.3~ubuntu1.18.04.8+esm8 2.6.3 | 1 |
| cloudve/ | d79c1c5881c0 | urllib3 | 2.6.3 | 1 |
| clowder/ | 11f3d844e4c0 | urllib3 | 2.6.3 | 1 |
| clowder/ | 14155326c7b9 | urllib3 | 2.6.3 | 1 |
| clowder/ | bf146f1ca24f | urllib3 | 2.6.3 | 1 |
| codaprotocol/ | 37c68e67a401 | urllib3 | 2.6.3 | 1 |
| codaprotocol/ | 4ba4dd3a041f | urllib3 | 2.6.3 | 1 |
| codecov/ | 0475cb1c3136 | urllib3 | 2.6.3 | 1 |
| codecov/ | 837f546b479b | urllib3 | 2.6.3 | 1 |
| confluentinc/ | f2975d507a2a | urllib3 | 2.6.3 | 1 |
| confluentinc/ | 8f1544df1f48 | urllib3 | 2.6.3 | 1 |
| confluentinc/ | 3bf359d5e340 | urllib3 | 2.6.3 | 1 |
| confluentinc/ | 83dbca3efd2a | urllib3 | 2.6.3 | 1 |
| confluentinc/ | adc392d28a1e | urllib3 | 2.6.3 | 1 |
| confluentinc/ | c0224a1adf7a | urllib3 | 2.6.3 | 1 |
| confluentinc/ | dc9b972db002 | urllib3 | 2.6.3 | 1 |
| confluentinc/ | 4bc70a83ca6f | urllib3 | 2.6.3 | 1 |
| confluentinc/ | b0b7aa26254a | urllib3 | 2.6.3 | 1 |
| confluentinc/ | 8ec46c27982f | urllib3 | 2.6.3 | 1 |
| confluentinc/ | ee403d5b9090 | urllib3 | 2.6.3 | 1 |
| confluentinc/ | b651d4b6185a | urllib3 | 2.6.3 | 1 |
| confluentinc/ | 0bec03c1f3ce | urllib3 | 2.6.3 | 1 |
| confluentinc/ | 5ca5f3269814 | urllib3 | 2.6.3 | 1 |
| confluentinc/ | 78c190f4472c | urllib3 | 2.6.3 | 1 |
| countly/ | e3c238248f99 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.4+esm3 2.6.3 | 1 |
| cr0hn/ | 14482d0bc4a1 | urllib3 | 2.6.3 | 1 |
| craigwillis/ | ae317d7e4724 | urllib3 | 2.6.3 | 1 |
| crazymax/ | fb307f5b87bf | urllib3 | 2.6.3 | 1 |
| danialnabiyan1382/ | f96a7ebf1f42 | urllib3 | 2.6.3 | 1 |