mattermost Helm chart

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

phntom

Scored 15 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, 796 findings — 3 critical, 17 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

8,767317117659

796 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	312108658	8,216

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.

Low findings

659 distinct across the version’s images

Low: findings whose contribution to the Radar Score is 1–14. Show every band

Severity	Advisory	Package	Fixed in
Low	GHSA-cwfj-642j-gfh4	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260107142155-0481bd1fb045
Low	GHSA-gqv7-j2j8-qmwq	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260129133647-5d787969c2d5
Low	GHSA-57cc-2pf4-mhmx	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20251209134645-761e56bb11cc
Low	GO-2024-3097	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	no fix listed
Low	GO-2026-4602	stdlib@go1.20.7	1.25.8
Low	UBUNTU-CVE-2023-2602	libcap2@1:2.44-1build3	1:2.44-1ubuntu0.22.04.1
Low	UBUNTU-CVE-2026-76957	expat@2.4.7-1ubuntu0.2	no fix listed
Low	UBUNTU-CVE-2026-27456	util-linux@2.37.2-4ubuntu3	2.37.2-4ubuntu3.6
Low	GHSA-8h9w-w78c-vvr3	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260216150504-8738f8c4b3d4
Low	GHSA-v549-xx3c-6pc8	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260316171743-090408f09f53
Low	GHSA-wvcv-9xpm-7mqc	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260306123948-f5fe8ded6b63
Low	UBUNTU-CVE-2026-18508	tar@1.34+dfsg-1ubuntu0.1.22.04.1	no fix listed
Low	GHSA-9p92-x77w-9fw2	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250718075842-cd87e5c87737
Low	UBUNTU-CVE-2025-8277	libssh@0.9.6-2ubuntu0.22.04.1	0.9.6-2ubuntu0.22.04.6
Low	GHSA-vww6-79rv-3j4x	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20251121122154-b57c297c6d7
Low	UBUNTU-CVE-2026-0992	libxml2@2.9.13+dfsg-1ubuntu0.3	2.9.13+dfsg-1ubuntu0.11
Low	UBUNTU-CVE-2026-45186	expat@2.4.7-1ubuntu0.2	no fix listed
Low	UBUNTU-CVE-2026-89160	pcre2@10.39-3ubuntu0.1	no fix listed
Low	GHSA-4276-cm8c-788h	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250721095846-c602a4a78e1f
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	UBUNTU-CVE-2025-43903	poppler@22.02.0-2ubuntu0.3	22.02.0-2ubuntu0.8
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	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

Indexed versions

Version	Published	App version	Vulnerabilities	Radar Score
3.24.0latest	2 years ago	9.3.0	317117659	8,767

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.