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	UBUNTU-CVE-2023-29383	shadow@1:4.8.1-2ubuntu2.1	no fix listed
Low	UBUNTU-CVE-2025-32415	libxml2@2.9.13+dfsg-1ubuntu0.3	2.9.13+dfsg-1ubuntu0.7
Low	GHSA-j6gg-r5jc-47cm	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250815165020-c8d66301415d
Low	GHSA-q8fg-cp3q-5jwm	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250102081831-64c566a8280b
Low	GHSA-8cgx-9ccj-3gwr	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250414095146-04676582cdd2
Low	GHSA-qqc8-rv37-79q5	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	0.0.0-20240209181221-674f549daf0e
Low	GO-2026-5025	golang.org/x/net@v0.17.0	0.55.0
Low	GHSA-h3gq-j7p9-x3p4	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.1.7
Low	GHSA-fmqf-pmcm-8cx9	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20251121122154-b57c297c6d7
Low	GHSA-762g-9p7f-mrww	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20240926115259-20ed58906adc
Low	GO-2026-4970	stdlib@go1.20.7	1.25.12
Low	GO-2022-0635	github.com/aws/aws-sdk-go@v1.44.293	no fix listed
Low	GO-2025-3552	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	no fix listed
Low	GHSA-5mr9-crcg-8wh2	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260130144323-5bb5261c72fa
Low	UBUNTU-CVE-2025-15224	curl@7.81.0-1ubuntu1.14	7.81.0-1ubuntu1.22
Low	GHSA-p6gj-jc38-x2m7	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	no fix listed
Low	UBUNTU-CVE-2023-6228	tiff@4.3.0-6ubuntu0.7	4.3.0-6ubuntu0.8
Low	GO-2024-2696	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	no fix listed
Low	GO-2026-5027	golang.org/x/net@v0.17.0	0.55.0
Low	GO-2026-5029	golang.org/x/net@v0.17.0	0.55.0
Low	GO-2026-5030	golang.org/x/net@v0.17.0	0.55.0
Low	GO-2024-3093	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	no fix listed
Low	UBUNTU-CVE-2026-42250	bzip2@1.0.8-5build1	1.0.8-5ubuntu0.1
Low	GHSA-7rgp-4j56-fm79	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250102081831-64c566a8280b
Low	UBUNTU-CVE-2026-32777	expat@2.4.7-1ubuntu0.2	no fix listed
Low	GHSA-wgvp-jj4w-88hf	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250513065225-4ae5d647fb88
Low	GHSA-fx49-m253-27jj	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260105134819-cc427af41b2a
Low	UBUNTU-CVE-2026-39113	sqlite3@3.37.2-2ubuntu0.1	no fix listed
Low	GO-2025-3555	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	no fix listed
Low	UBUNTU-CVE-2025-9820	gnutls28@3.7.3-4ubuntu1.2	3.7.3-4ubuntu1.8
Low	UBUNTU-CVE-2026-0968	libssh@0.9.6-2ubuntu0.22.04.1	0.9.6-2ubuntu0.22.04.6
Low	GHSA-679f-wmrg-qf57	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20260113182106-a18b80ba4c32
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	GHSA-4276-cm8c-788h	github.com/mattermost/mattermost/server/v8@v0.0.0-20231206131006-d6edda074a4b	8.0.0-20250721095846-c602a4a78e1f

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.