CVE-2023-2784

mediumpriority · track · 26OT risk · elevatedEPSS 0.003 · 25 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.32% (25th) EPSS

CVSS 6.5 · medium

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Mattermost fails to verify if the requestor is a sysadmin or not, before allowing `install` requests to the Apps allowing a regular user send install requests to the Apps.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.14.2mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Lsecondary · ENISA EU

v3.14.2mediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Lsecondary · responsibledisclosure@mattermost.comexploitability 1.6 · impact 2.5

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-862USprimary

affected products (6)

Products and version ranges known to be affected.

Mattermost Mattermost App Framework≤ 0 ≤7.9.3enisa_euvdEU
Mattermost Mattermost App Framework≤ 7.10.0enisa_euvdEU
Mattermost Mattermost App Framework≤ 0 ≤7.8.4enisa_euvdEU
mattermost mattermost= 7.10.0nvdUScpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
mattermost mattermost7.8.0 → 7.8.4nvdUScpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
mattermost mattermost7.9.0 → 7.9.3nvdUScpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2023-06-16modified 2026-06-17

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+11517 more

references (5)

External citations — patches, advisories, analysis.

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