mattermost Helm chart

Name: mattermost Helm chart: images and vulnerabilities
Creator: StackRadar
License: https://creativecommons.org/licenses/by/4.0/

phntom

Scored 14 Sept 2026

Mattermost Team Edition server.

Latest 3.24.0 2 years agoapp version 9.3.0 3Artifact Hub

mattermost 3.24.0 deploys 2 container images: appropriate/curl and phntom/mattermost-team-edition. Across them, 788 findings — 4 critical, 16 high — 2 on CISA KEV. The highest contribution is UBUNTU-CVE-2025-27363 in freetype 2.11.1+dfsg-1ubuntu0.2, fixed in 2.11.1+dfsg-1ubuntu0.3.

Radar Score

8,722416117651

788 findings over 2 of 2 images measured

KEV ×2 confirmed exploited

Radar Score is the sum of every finding’s contribution; the colour is the worst finding’s band.

Container images

2 images

Image	Tag	Vulnerabilities	Radar Score
appropriate/curl	latest	0591	551
phntom/mattermost-team-edition	9.3.0	411108650	8,171

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

788 distinct across the version’s images

Severity	Advisory	Package	Fixed in
Low	GO-2025-4247	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	no fix listed
Low	GHSA-jcgv-3pfq-j4hr	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.1.4
Low	GO-2026-5494	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	no fix listed
Low	UBUNTU-CVE-2022-3219	gnupg2@2.2.27-3ubuntu2.1	no fix listed
Low	UBUNTU-CVE-2026-32776	expat@2.4.7-1ubuntu0.2	no fix listed
Low	UBUNTU-CVE-2026-41080	expat@2.4.7-1ubuntu0.2	no fix listed
Low	GHSA-r833-w756-h5p2	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.1.8
Low	GHSA-xgxj-j98c-59rv	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.1.9
Low	GHSA-xp9j-8p68-9q93	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.1.11
Low	GO-2026-5404	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	no fix listed
Low	GHSA-424h-xj87-m937	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250820115038-ff30b84049f0
Low	GHSA-xvcx-mgpc-5xh3	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260327001745-7a339a6438f5
Low	GHSA-pwvr-grqg-7vp2	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250721095846-c602a4a78e1f
Low	UBUNTU-CVE-2025-4878	libssh@0.9.6-2ubuntu0.22.04.1	0.9.6-2ubuntu0.22.04.4
Low	GHSA-cgjg-p2m2-qm4p	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20251215190648-6404ab29acc0
Low	GHSA-ph22-fw5m-w2q9	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260123211116-9efe617be8b8
Low	UBUNTU-CVE-2025-43903	poppler@22.02.0-2ubuntu0.3	22.02.0-2ubuntu0.8
Low	GHSA-vqwh-5jhh-vc9p	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250814075248-83a37a861d3c
Low	GHSA-f72g-52v7-mg3p	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250721095935-11c36f4d1e44
Low	GHSA-jx93-pf6x-874r	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260310115442-5a1ea95044d
Low	GHSA-fr22-5377-f3p7	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250218121836-2b5275d87136
Low	UBUNTU-CVE-2025-6498	tidy-html5@2:5.6.0-11ubuntu0.22.04.1	no fix listed
Low	GHSA-9h6j-4ffx-cm84	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250218121836-2b5275d87136
Low	UBUNTU-CVE-2025-69418	openssl@3.0.2-0ubuntu1.12	3.0.2-0ubuntu1.21
Low	GHSA-wwhj-pw6h-f8hw	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250213231113-68c11e9ecb71
Low	GHSA-rhvr-6w8c-6v7w	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20241217145510-faa7e4f2ea0c
Low	GHSA-xr3w-rmvj-f6m7	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250728063359-38208b8f065f
Low	UBUNTU-CVE-2025-8732	libxml2@2.9.13+dfsg-1ubuntu0.3	2.9.13+dfsg-1ubuntu0.11
Low	UBUNTU-CVE-2025-8961	tiff@4.3.0-6ubuntu0.7	4.3.0-6ubuntu0.12
Low	GO-2026-5024	golang.org/x/sys@v0.13.0	0.44.0
Low	GHSA-hqpj-f3jh-29vx	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260313190740-742e0be95074
Low	GHSA-hc6v-386m-93pq	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250414110750-c23f44fe8ed0
Low	GO-2026-4962	golang.org/x/image@v0.8.0	0.39.0
Low	UBUNTU-CVE-2026-59846	libssh@0.9.6-2ubuntu0.22.04.1	0.9.6-2ubuntu0.22.04.8
Low	UBUNTU-CVE-2026-18477	tar@1.34+dfsg-1ubuntu0.1.22.04.1	no fix listed
Low	GHSA-86jg-35xj-3vv5	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250414154356-6f33b721de76
Low	GHSA-j639-m367-75cf	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250314142426-c049748b8863
Low	GHSA-jwhw-xf5v-qgxc	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250422131222-701ddc896a10
Low	GHSA-58w6-w55x-6wq8	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250905150616-ba86dfc5876b
Low	UBUNTU-CVE-2025-6141	ncurses@6.3-2	6.3-2ubuntu0.3
Low	GHSA-fpff-wj6m-grvr	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250411064244-844447fbd57c
Low	GO-2023-2153	google.golang.org/grpc@v1.56.1	1.56.3
Low	GO-2026-5841	github.com/klauspost/compress@v1.16.6	1.18.7
Low	GO-2026-5932	golang.org/x/crypto@v0.14.0	no fix listed
Low	GO-2026-6061	google.golang.org/grpc@v1.56.1	1.82.1
Low	GO-2026-6278	github.com/gorilla/websocket@v1.5.0	1.5.3
Low	USN-5495-2	curl@7.81.0-1ubuntu1.14	7.81.0-1ubuntu1.21
Low	USN-6663-1	openssl@3.0.2-0ubuntu1.12	3.0.2-0ubuntu1.15
Low	USN-6727-2	nss@2:3.68.2-0ubuntu1.2	2:3.98-0ubuntu0.22.04.2
Low	USN-7034-1	ca-certificates@20230311ubuntu0.22.04.1	20240203~22.04.1

Indexed versions

Version	Published	App version	Vulnerabilities	Radar Score
3.24.0latest	2 years ago	9.3.0	416117651	8,722

The latest version and the previous major, as selected nightly from the repository’s index.

README badge

[![Radar Score](https://charts.stackradar.io/badge/phntom/mattermost.svg)](https://charts.stackradar.io/charts/phntom/mattermost)

Markdown. The badge shows the latest version’s band and Radar Score, refreshed daily.