mattermost 0.0.28 Helm chart
quench-mattermostVerified publisherScored 21 Oct 2026
Open-source, self-hosted team collaboration and messaging platform (Team Edition) — channels, direct messages, and file sharing. Hardened by QuenchWorks as a minimal, nonroot, 0-CVE image, cosign-signed and pinned by digest. Bundles PostgreSQL.
Version 0.0.28app version 11.11.1 (not verified against the render) 0Artifact Hub
mattermost 0.0.28 deploys 2 container images: ghcr.io/quenchworks/images/postgresql and ghcr.io/quenchworks/images/mattermost. Across them, 36 findings — 0 critical, 0 high. The highest contribution is GO-2026-6612 in stdlib go1.26.8, fixed in 1.26.9.
Radar Score
Radar Score is the sum of every finding’s contribution; the colour is the worst finding’s band.
Container images
| Image | Tag | Vulnerabilities | Radar Score |
|---|---|---|---|
| ghcr.io/ | digest-pinned | 00012 | 79 |
| ghcr.io/ | digest-pinned | 00222 | 235 |
Rendered with the chart’s default values for linux/amd64. Optional subcharts, images set by operator flags and images inside CRD payloads are not seen and are counted as unmeasured.
Vulnerabilities
| Severity | Advisory | Package | Fixed in |
|---|---|---|---|
| Medium | GO-2026-6612 | stdlib | 1.26.9 |
| Medium | GO-2026-6612 | golang.org/ | 0.60.0 |
| Low | GO-2026-6603 | golang.org/ | 0.60.0 |
| Low | GO-2026-6603 | stdlib | 1.26.9 |
| Low | GO-2026-6611 | golang.org/ | 0.60.0 |
| Low | GO-2026-6611 | stdlib | 1.26.9 |
| Low | GO-2026-6608 | stdlib | 1.26.9 |
| Low | GO-2026-6607 | stdlib | 1.26.9 |
| Low | GO-2026-6609 | stdlib | 1.26.9 |
| Low | GO-2026-6613 | stdlib | 1.26.9 |
| Low | CGA-36r3-9m2m-pwvx | python-3.13 | 3.13.16_git20261002-r0 |
| Low | GO-2026-6605 | stdlib | 1.26.9 |
| Low | GO-2026-6610 | stdlib | 1.26.9 |
| Low | GO-2026-6610 | golang.org/ | 0.60.0 |
| Low | CGA-hrv7-pwqg-466j | python-3.13 | 3.13.16_git20261002-r0 |
| Low | GO-2026-6604 | stdlib | 1.26.9 |
| Low | CGA-8fx3-25f8-fh5x | python-3.13 | no fix listed |
| Low | CGA-fv7m-5pp8-x296 | glibc-2.44 | 2.44-r8 |
| Low | CGA-g73w-6cxg-73cx | python-3.13 | no fix listed |
| Low | CGA-g8xj-42hr-jc3p | glibc-2.44 | 2.44-r8 |
| Low | GO-2026-6599 | stdlib | 1.26.9 |
| Low | GO-2026-6600 | stdlib | 1.26.9 |
| Low | GO-2026-6617 | golang.org/ | 0.60.0 |
| Low | GO-2026-6617 | stdlib | 1.26.9 |
| Low | CGA-2727-9j94-3x3p | glibc-2.44 | no fix listed |
| Low | CGA-4gmv-8mr7-5pxx | glibc-2.44 | no fix listed |
| Low | CGA-cvw6-9pj6-fx5j | openssl | no fix listed |
| Low | CGA-ww43-fhm7-mff3 | openssl | no fix listed |
| Low | GO-2026-5932 | golang.org/ | no fix listed |
| Low | CGA-h5x5-q5m8-wjmv | glibc-2.44 | 2.44-r8 |
| Low | CGA-5p62-38p7-f47c | python-3.13 | 3.13.16_git20261002-r0 |
Indexed versions
| Version | Published | App version | Vulnerabilities | Radar Score |
|---|---|---|---|---|
| 0.0.35latest | — | 11.11.2 | 00016 | 95 |
| 0.0.34 | — | 11.11.1 | 00015 | 91 |
| 0.0.33 | — | 11.11.1 | 00015 | 91 |
| 0.0.30 | — | 11.11.1 | 00231 | 289 |
| 0.0.28 | — | 11.11.1 | 00234 | 314 |
| 0.0.27 | — | 11.11.1 | 00234 | 314 |
| 0.0.26 | — | 11.11.1 | 00232 | 297 |
| 0.0.24 | — | 11.11.1 | 00232 | 297 |
| 0.0.23 | — | 11.11.1 | 00334 | 341 |
| 0.0.22 | — | 11.11.0 | 00114 | 115 |
| 0.0.21 | — | 11.10.1 | 00113 | 110 |
| 0.0.20 | — | 11.10.1 | 00117 | 134 |
The latest version and the previous major, as selected nightly from the repository’s index.
README badge
Markdown. The badge shows the latest version’s band and Radar Score, refreshed daily.