CVE-2024-28053

mediumpriority · track · 26EPSS 0.005 · 43 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.51% (43rd) EPSS

CVSS 6.5 · medium

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Resource Exhaustion in Mattermost Server versions 8.1.x before 8.1.10 fails to limit the size of the payload that can be read and parsed allowing an attacker to send a very large email payload and crash the server.

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⚠ sources disagree · low–medium · 3.1–6.5

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

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · responsibledisclosure@mattermost.comexploitability 1.6 · impact 1.4

v3.13.1lowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:Lsecondary · OSV

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/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-770USprimaryCWE-400USCWE-400USCWE-770US

affected products (11)

Products and version ranges known to be affected.

Mattermost Mattermost≤ 8.1.0 ≤8.1.9enisa_euvdEU
Mattermost Mattermostall versionsenisa_euvdEU
mattermost mattermost server8.1.0 → 8.1.10nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Bitnami mattermost8.1.0 → 8.1.10osvUSpkg:bitnami/mattermost
Go github.com/mattermost/mattermost-server< 0.0.0-20240209181221-674f549daf0eosvUSpkg: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/v5< 0.0.0-20240209181221-674f549daf0eosvUSpkg: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/v6< 0.0.0-20240209181221-674f549daf0eosvUSpkg: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< 0.0.0-20240209181221-674f549daf0eosvUSpkg:golang/github.com/mattermost/mattermost/server/v8

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-qqc8-rv37-79q5Mattermost Server Resource Exhaustion2024-03-15ghsa · osvUS
Resource Exhaustion in Mattermost Server versions 8.1.x before 8.1.10 fails to limit the size of the payload that can be read and parsed allowing an attacker to send a very large email payload and crash the server.
BIT-mattermost-2024-280532024-12-16vendor · osvUS
Resource Exhaustion in Mattermost Server versions 8.1.x before 8.1.10 fails to limit the size of the payload that can be read and parsed allowing an attacker to send a very large email payload and crash the server.
GO-2024-3334Mattermost Server Resource Exhaustion in github.com/mattermost/mattermost-server2024-12-18vendor · osvUS
Mattermost Server Resource Exhaustion in github.com/mattermost/mattermost-server

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2024-03-15modified 2026-06-17

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+3263 more

references (5)

External citations — patches, advisories, analysis.

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