CVE-2025-12543
CriticalAdvisory
Published 7 Jan 2026In the index since 5 Sept 2026
- Severity
- Critical
- worst across findings
- CVSS
- 9.6
- base score, highest
- EPSS
- 0.014
- 70th percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 18
- of 17,781 indexed, latest versions
- Container images
- 16
- deployed by those charts
- Fix available
- 1 of 1
- affected package
Undertow HTTP server core doesn't properly validate the Host header in incoming HTTP requests
Carried by container images the latest versions of 18 of 17,781 indexed charts deploy, on 16 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| undertow-coremaven | 1.3.15.Final, 1.4.0.Final, 2.2.4.Final, 2.2.5.Final+9 more | 2.2.39.Final, 2.3.21.Final | 16 |
- OSV records
- GHSA-j382-5jj3-vw4j
Charts affected
18 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| keycloakcodecentricVerified publisher | 18.10.0 | 1 of 3See more | 7,713 |
| kafdroplsst-sqre | 0.1.3 | 1 of 1See more | 7,901 |
| activemq-artemisactivemq-artemis-helm | 0.3.6 | 1 of 1See more | 4,419 |
| shinyproxyremche | 0.6.6 | 1 of 2See more | 3,958 |
| signserver-cesignserverOfficialVerified publisher | 2.3.5 | 1 of 1See more | 2,406 |
| keycloakaccount-serviceVerified publisher | 18.4.5 | 1 of 2See more | 7,713 |
| idmassist-iot-identity-manager | 0.1.0 | 1 of 2See more | 13,352 |
| axelor-open-suiteaxelor-open-suiteVerified publisher | 7.2.58 | 1 of 2See more | 9,722 |
| firehoseblip-firehoseVerified publisher | 0.0.18 | 1 of 11See more | 13,459 |
| bluerange-serverbluerangeOfficialVerified publisher | 1.3.1 | 1 of 1See more | 1,816 |
| dinsrokronkltdVerified publisher | 0.1.7 | 1 of 2See more | 1,628 |
| penpotkubitodevVerified publisher | 1.2.1 | 1 of 5See more | 16,877 |
| ma1sdnetsocVerified publisher | 0.2.1 | 1 of 1See more | 3,582 |
| management-portalradar-baseVerified publisher | 1.7.0 | 1 of 1See more | 3,182 |
| sistas-chatbotsistas-chatbot | 5.0.2 | 1 of 6See more | 5,856 |
| digdagskyoo2003 | 0.5.2 | 1 of 4See more | 6,949 |
| webhookie-allwebhookie | 0.1.2 | 1 of 3See more | 28,605 |
| workshop-pipelinesworkshop-pipelines | 0.1.6 | 1 of 2See more | 11,577 |
Container images carrying it
16 by charts deploying them
A fixed version is listed for 1 of the 1 affected package.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| obsidiandynamics/ | 5337c9e0e2de | undertow-core | 2.2.39.Final | 2 |
| quay.io/ | 68f9f38c8f30 | undertow-core | 2.2.39.Final | 2 |
| assistiot/ | 0df4b4fa899a | undertow-core | 2.2.39.Final | 1 |
| bluerange/ | 07c8f73b55df | undertow-core | 2.3.21.Final | 1 |
| duck1123/ | 9568c5961d5d | undertow-core | 2.2.39.Final | 1 |
| jhipster/ | 7184525acd4d | undertow-core | 2.2.39.Final | 1 |
| keyfactor/ | 798fbbe00283 | undertow-core | 2.3.21.Final | 1 |
| ma1uta/ | ee2a56d8b8ca | undertow-core | 2.2.39.Final | 1 |
| penpotapp/ | 47853d9bb9dd | undertow-core | 2.3.21.Final | 1 |
| pmoscode/ | a58f4d762f5c | undertow-core | 2.2.39.Final | 1 |
| remche/ | 8bcda8a04d3b | undertow-core | 2.2.39.Final | 1 |
| vromero/ | 408d6a46b153 | undertow-core | 2.2.39.Final | 1 |
| ghcr.io/ | c1b37e821f72 | undertow-core | 2.2.39.Final | 1 |
| ghcr.io/ | 821fd6a6f2cd | undertow-core | 2.2.39.Final | 1 |
| quay.io/ | 3029dc0f1d38 | undertow-core | 2.2.39.Final | 1 |
| quay.io/ | e383ba3e0966 | undertow-core | 2.3.21.Final | 1 |