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 |
|---|---|---|---|---|
| linuxserver/ | e36d16f7341c | urllib3 | 2.6.3 | 1 |
| linuxserver/ | 241009026e6f | python-pip urllib3 | no fix listed 2.6.3 | 1 |
| linuxserver/ | 938810eca3d3 | urllib3 | 2.6.3 | 1 |
| linuxserver/ | 89cd8d5fb1ac | urllib3 | 2.6.3 | 1 |
| linuxserver/ | c4d2766b9eb7 | urllib3 | 2.6.3 | 1 |
| linuxserver/ | 0ac871624394 | python-urllib3 urllib3 | no fix listed 2.6.3 | 1 |
| linuxserver/ | 2ce561a95e7b | python-urllib3 urllib3 | no fix listed 2.6.3 | 1 |
| linuxserver/ | 50792a72fc71 | urllib3 | 2.6.3 | 1 |
| linuxserver/ | 94696dab3c50 | urllib3 | 2.6.3 | 1 |
| linuxserver/ | f93d2560e233 | urllib3 | 2.6.3 | 1 |
| linuxserver/ | 4477fb1ce3ca | urllib3 | 2.6.3 | 1 |
| linuxserver/ | e48b479c1891 | urllib3 | 2.6.3 | 1 |
| litellm/ | 09b217802ded | py3-pip | 26.1.1-r0 | 1 |
| lnbitsdocker/ | 26fae6327477 | urllib3 | 2.6.3 | 1 |
| lnbitsdocker/ | a11aaa6d2b21 | urllib3 | 2.6.3 | 1 |
| lncm/ | bca14d04397d | urllib3 | 2.6.3 | 1 |
| localstack/ | 9d278167f2b7 | urllib3 | 2.6.3 | 1 |
| locustio/ | 51d866285170 | urllib3 | 2.6.3 | 1 |
| logiqai/ | 55a574ec5b64 | urllib3 | 2.6.3 | 1 |
| louislam/ | 059b49d64739 | urllib3 | 2.6.3 | 1 |
| louislam/ | 0b55bcb83a1c | urllib3 | 2.6.3 | 1 |
| louislam/ | 3d632903e6af | urllib3 | 2.6.3 | 1 |
| louislam/ | 3e24e96c89ef | urllib3 | 2.6.3 | 1 |
| louislam/ | 4c364ef96aad | python-urllib3 urllib3 | 1.26.12-1+deb12u3 2.6.3 | 1 |
| louislam/ | 91e963bfda56 | urllib3 | 2.6.3 | 1 |
| louislam/ | 96510915e6be | urllib3 | 2.6.3 | 1 |
| louislam/ | 9865163f92c1 | python-urllib3 urllib3 | 1.26.12-1+deb12u3 2.6.3 | 1 |
| louislam/ | a4eab252e5a2 | urllib3 | 2.6.3 | 1 |
| louislam/ | a84767d7934f | urllib3 | 2.6.3 | 1 |
| louislam/ | bc6f244ecf27 | urllib3 | 2.6.3 | 1 |
| lsstdm/ | 74c97a490940 | urllib3 | 2.6.3 | 1 |
| lsstsqre/ | 4143c7cd705e | urllib3 | 2.6.3 | 1 |
| lsstsqre/ | b75bf8aaafa4 | urllib3 | 2.6.3 | 1 |
| lsstsqre/ | 19c2dfc4e4ff | urllib3 | 2.6.3 | 1 |
| lsstsqre/ | 5e0ade6bed1c | urllib3 | 2.6.3 | 1 |
| lsstsqre/ | 4879415ec6ac | urllib3 | 2.6.3 | 1 |
| lsstsqre/ | e139fde946d7 | urllib3 | 2.6.3 | 1 |
| lsstsqre/ | e9feb99f524d | urllib3 | 2.6.3 | 1 |
| makersquad/ | a40dd258c527 | python-urllib3 urllib3 | 1.26.12-1+deb12u3 2.6.3 | 1 |
| matrixdotorg/ | c3c4a9de2a0b | urllib3 | 2.6.3 | 1 |
| matrixdotorg/ | cb89c0f17ba1 | urllib3 | 2.6.3 | 1 |
| matrixdotorg/ | def97fd537d8 | urllib3 | 2.6.3 | 1 |
| mediagis/ | 7923a8e67197 | python-pip urllib3 | no fix listed 2.6.3 | 1 |
| mediagis/ | c15e941485ef | urllib3 | 2.6.3 | 1 |
| mediagis/ | d0eae7b51374 | python-pip urllib3 | no fix listed 2.6.3 | 1 |
| milesmcc/ | ba54f7797a6b | urllib3 | 2.6.3 | 1 |
| milesmcc/ | e821e31140f7 | urllib3 | 2.6.3 | 1 |
| mintproject/ | 67d2f2103085 | urllib3 | 2.6.3 | 1 |
| mintproject/ | 02260d20a21f | urllib3 | 2.6.3 | 1 |
| mondata/ | 6f94c6caf8bf | urllib3 | 2.6.3 | 1 |