CVE-2024-23488
mediumpriority · track · 17EPSS 0.003 · 24 %ileDEEURUUSEPSS · scored 2026-10-27
Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.1–4.3
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (13)
Products and version ranges known to be affected.
- mattermost mattermost server9.0.0 → 9.4.2nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
- Go github.com/mattermost/mattermost-server9.0.0+incompatible → 9.4.2+incompatibleosvUSpkg:golang/github.com/mattermost/mattermost-server
- Go github.com/mattermost/mattermost-server/v5all versionsosvUSpkg:golang/github.com/mattermost/mattermost-server/v5
- Go github.com/mattermost/mattermost-server/v6all versionsosvUSpkg:golang/github.com/mattermost/mattermost-server/v6
- Go github.com/mattermost/mattermost/server/v8all versionsosvUSpkg:golang/github.com/mattermost/mattermost/server/v8
- Go github.com/mattermost/mattermost/server/v8< 8.1.9osvUSpkg:golang/github.com/mattermost/mattermost/server/v8
- Go github.com/mattermost/mattermost/server/v89.0.0 → 9.4.2osvUSpkg:golang/github.com/mattermost/mattermost/server/v8
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2024-0247Mattermost: Mehrere Schwachstellen ermöglichen nicht spezifizierten AngriffDeutsch2024-01-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Mattermost ausnutzen, um einen nicht näher spezifizierten Angriff durchzuführen.
- GHSA-xgxj-j98c-59rvMattermost fails to properly restrict the access of files attached to posts2024-02-29ghsa · osvUS
Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.
- GO-2024-2595Mattermost fails to properly restrict the access of files attached to posts in github.com/mattermost/mattermost-server2024-06-28vendor · osvUS
Mattermost fails to properly restrict the access of files attached to posts in github.com/mattermost/mattermost-server. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost/server/v8 before v8.1.9.
also known as (7)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
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