CVE-2026-2578

mediumPriorität · verfolgen · 0EPSS 0.002 · 13. PerzentilEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.23% (13th) EPSS

CVSS 4.3 · medium

Is it mine?

14 products

Prüfe deine Angriffsfläche

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · osv

EPSS · bewertet 2026-10-27

Mattermost versions 11.3.x <= 11.3.0 fail to preserve the redacted state of burn-on-read posts during deletion which allows channel members to access unrevealed burn-on-read message contents via the WebSocket post deletion event.. Mattermost Advisory ID: MMSA-2026-00579

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

4.3

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen

v3.14.3mediumAV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · responsibledisclosure@mattermost.comAusnutzbarkeit 2.8 · Auswirkung 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · OSV

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

SSVC

Eine Handlungsentscheidung — aus Ausnutzung und Auswirkung.

Trackcoordinatorcisa_ssvcUS

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-200USCWE-201USCWE-201US

betroffene Produkte (14)

Betroffene Produkte und Versionsbereiche.

Mattermost Mattermost≤ 11.3.0 ≤11.3.0enisa_euvdEU
Mattermost Inc Mattermost≤ 11.3.1fstec_bduRU
Mattermost Inc Mattermost≤ 11.4.0fstec_bduRU
mattermost mattermost server11.3.0 → 11.3.1nvdUScpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Go github.com/mattermost/mattermost-server< 5.3.2-0.20260127062706-c6b205f0d770osvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server10.11.0-rc1 → 10.11.11osvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server10.11.0-rc1+incompatible → 10.11.11+incompatibleosvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server11.2.0-rc1 → 11.2.3osvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server11.2.0-rc1+incompatible → 11.2.3+incompatibleosvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server11.3.0-rc1 → 11.3.1osvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server11.3.0-rc1+incompatible → 11.3.1+incompatibleosvUSpkg:golang/github.com/mattermost/mattermost-server
Go github.com/mattermost/mattermost-server/v5alle VersionenosvUSpkg:golang/github.com/mattermost/mattermost-server/v5
Go github.com/mattermost/mattermost-server/v6alle VersionenosvUSpkg:golang/github.com/mattermost/mattermost-server/v6
Go github.com/mattermost/mattermost/server/v8< 8.0.0-20260127062706-c6b205f0d770osvUSpkg:golang/github.com/mattermost/mattermost/server/v8

Advisories (2)

Hersteller- und Ökosystem-Meldungen dazu.

GHSA-3rhr-jr63-hwq5Mattermost fails to preserve the redacted state of burn-on-read posts during deletion2026-03-16ghsa · osvUS
Mattermost versions 11.3.x <= 11.3.0 fail to preserve the redacted state of burn-on-read posts during deletion which allows channel members to access unrevealed burn-on-read message contents via the WebSocket post deletion event. Mattermost Advisory ID: MMSA-2026-00579
GO-2026-4734Mattermost fails to preserve the redacted state of burn-on-read posts during deletion in github.com/mattermost/mattermost-server2026-03-23vendor · osvUS
Mattermost fails to preserve the redacted state of burn-on-read posts during deletion 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/v5 before v5.3.2-0.20260127062706-c6b205f0d770.

auch bekannt als (6)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu osv nvd NVD CVE.org MITRE

veröffentlicht 2026-03-16geändert 2026-06-17

Referenzen (3)

Externe Belege — Patches, Meldungen, Analysen.

scry

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