CVE-2026-21863
HighAdvisory
Published 23 Feb 2026In the index since 5 Sept 2026
- Severity
- High
- worst across findings
- CVSS
- 7.5
- base score, highest
- EPSS
- 0.008
- 53rd percentile
- CISA KEV
- Not listed
- no confirmed exploitation
- Charts affected
- 9
- of 17,781 indexed, latest versions
- Container images
- 8
- deployed by those charts
- Fix available
- 3 of 3
- affected packages
Malformed Valkey Cluster bus message can lead to Remote DoS
Carried by container images the latest versions of 9 of 17,781 indexed charts deploy, on 8 images.
| Affected package | Affected versions | Fixed in | Images |
|---|---|---|---|
| valkeybitnami | 8.1.2-0, 8.1.3-0 | 7.2.12 | 4 |
| redisdeb | 5:7.0.15-1~deb12u1, 5:7.0.15-1~deb12u4, 5:7.0.15-1~deb12u6 | 5:7.0.15-1~deb12u7 | 3 |
| valkeyapk | 8.1.4-r0 | 8.1.6-r0 | 1 |
- OSV records
- ALPINE-CVE-2026-21863BIT-valkey-2026-21863DEBIAN-CVE-2026-21863
- Also known as
- GHSA-c677-q3wr-gggq
Charts affected
9 by stars
| Chart | Latest | Affected images | Radar Score |
|---|---|---|---|
| giteagiteaOfficialVerified publisher | 12.7.0 | 1 of 4See more | 8,811 |
| convertigoconvertigoOfficialVerified publisher | 8.4.3 | 1 of 5See more | 17,404 |
| dbrepodbrepo | 1.13.3 | 1 of 25See more | 52,635 |
| camellia-redis-proxycamellia-redis-proxy | 1.4.0 | 1 of 2See more | 8,001 |
| rommernail-romm | 1.0.1 | 1 of 1See more | 2,896 |
| middlewarehelmforgeVerified publisher | 1.2.6 | 1 of 4See more | 9,653 |
| valkeymesosphere-stable | 3.0.22 | 1 of 1See more | 2,622 |
| planectlplanectlVerified publisher | 0.7.0 | 1 of 10See more | 25,934 |
| giteawenerme | 12.7.0 | 1 of 4See more | 8,811 |
Container images carrying it
8 by charts deploying them
A fixed version is listed for 3 of the 3 affected packages.
| Container image | Digest | Package | Fixed in | Used by |
|---|---|---|---|---|
| bitnamilegacy/ | 32869e769b7e | valkey | 7.2.12 | 2 |
| 48n6e/ | a6ed886fddfc | redis | 5:7.0.15-1~deb12u7 | 1 |
| baserow/ | df0c42eb67e8 | redis | 5:7.0.15-1~deb12u7 | 1 |
| bitnamilegacy/ | 0384ca2eec63 | valkey | 7.2.12 | 1 |
| bitnamilegacy/ | 4f0191fba7d3 | valkey | 7.2.12 | 1 |
| bitnamilegacy/ | a185655855b3 | valkey | 7.2.12 | 1 |
| middlewareeng/ | 747d880812f1 | redis | 5:7.0.15-1~deb12u7 | 1 |
| rommapp/ | b909e95d1aab | valkey | 8.1.6-r0 | 1 |