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 |
|---|---|---|---|---|
| sealife/ | f5cc2f0f4c9b | urllib3 | 2.6.3 | 2 |
| taigaio/ | 4beed8f62c9f | urllib3 | 2.6.3 | 2 |
| tzahi12345/ | 2f943d584711 | python-pip | no fix listed | 2 |
| weblate/ | 69c160d37a3c | urllib3 | 2.6.3 | 2 |
| ghcr.io/ | b1ba7b054af2 | python-pip | no fix listed | 2 |
| ghcr.io/ | 7962759d99d7 | urllib3 | 2.6.3 | 2 |
| ghcr.io/ | 42002d66ddb3 | urllib3 | 2.6.3 | 2 |
| ghcr.io/ | 33e60bfb40f2 | urllib3 | 2.6.3 | 2 |
| ghcr.io/ | fd8d3e6e4cdf | urllib3 | 2.6.3 | 2 |
| ghcr.io/ | 95ee018cf558 | urllib3 | 2.6.3 | 2 |
| public.ecr.aws/ | 26ac7263a823 | urllib3 | 2.6.3 | 2 |
| quay.io/ | 0b62db8afc9b | urllib3 | 2.6.3 | 2 |
| quay.io/ | f7f8228f17cc | urllib3 | 2.6.3 | 2 |
| quay.io/ | 6a8671702d6f | urllib3 | 2.6.3 | 2 |
| quay.io/ | 716b0b33ff2d | urllib3 | 2.6.3 | 2 |
| quay.io/ | b8d5067137fe | urllib3 | 2.6.3 | 2 |
| quay.io/ | f6ed71d0f9f1 | urllib3 | 2.6.3 | 2 |
| quay.io/ | 464a3af4dfe0 | urllib3 | 2.6.3 | 2 |
| quay.io/ | bb5e052770e5 | urllib3 | 2.6.3 | 2 |
| a10networks/ | 8dc58d434d71 | python-pip urllib3 | 9.0.1-2.3~ubuntu1.18.04.8+esm8 2.6.3 | 1 |
| abdullahkhawer/ | 28a6c3f7e0a9 | urllib3 | 2.6.3 | 1 |
| acockburn/ | 3a93281d7e94 | urllib3 | 2.6.3 | 1 |
| adeptiainc/ | 283001e83739 | urllib3 | 2.6.3 | 1 |
| adwerx/ | 840d2b078682 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.4+esm3 2.6.3 | 1 |
| afrank/ | d463c37b08d7 | urllib3 | 2.6.3 | 1 |
| airbyte/ | 3b3a670af168 | urllib3 | 2.6.3 | 1 |
| airsonicadvanced/ | f7cbafac2806 | python-urllib3 urllib3 | 1.25.8-2ubuntu0.4+esm3 2.6.3 | 1 |
| akeyless/ | 4ba8900a0061 | urllib3 | 2.6.3 | 1 |
| alakaganaguathoork/ | 7eb27b0f4a5a | urllib3 | 2.6.3 | 1 |
| alerta/ | 4786b9eaa606 | urllib3 | 2.6.3 | 1 |
| alexvm6/ | fb99ee4f760a | urllib3 | 2.6.3 | 1 |
| allegroai/ | 713ae38f7daf | urllib3 | 2.6.3 | 1 |
| allegroai/ | 772827a01bb5 | python-pip urllib3 | 9.0.1-2.3~ubuntu1.18.04.8+esm8 2.6.3 | 1 |
| allegroai/ | fca885e8cfc6 | urllib3 | 2.6.3 | 1 |
| allegroai/ | c58d9da7bdf8 | urllib3 | 2.6.3 | 1 |
| alpine/ | 00ac10bcb759 | urllib3 | 2.6.3 | 1 |
| alpine/ | 21b24e6bf801 | urllib3 | 2.6.3 | 1 |
| alpine/ | 6dbe6f391eda | urllib3 | 2.6.3 | 1 |
| alpine/ | 7a319b15cfc9 | urllib3 | 2.6.3 | 1 |
| alpine/ | 7e1e7d5b7a96 | urllib3 | 2.6.3 | 1 |
| alpine/ | 9c4976d47656 | urllib3 | 2.6.3 | 1 |
| alpine/ | a41efe02a041 | urllib3 | 2.6.3 | 1 |
| alpine/ | bd01dae02676 | urllib3 | 2.6.3 | 1 |
| alpine/ | cd560fce90f7 | urllib3 | 2.6.3 | 1 |
| alpine/ | e5c0b053fed7 | urllib3 | 2.6.3 | 1 |
| alpine/ | eec354133193 | urllib3 | 2.6.3 | 1 |
| alpine/ | fc059f056ad0 | urllib3 | 2.6.3 | 1 |
| amancevice/ | c8c04bfe3d66 | urllib3 | 2.6.3 | 1 |
| amundsendev/ | 69e7915e61c1 | urllib3 | 2.6.3 | 1 |
| amundsendev/ | 4d98eb21f5f9 | urllib3 | 2.6.3 | 1 |