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CVE-2023-2791

Playbooks lets you edit arbitrary posts

Medium4.3EPSS 0.40%
Published
Updated
Reserved
Assigned by
Mattermost

Description

When creating a playbook run via the /dialog API, Mattermost fails to validate all parameters, allowing an authenticated attacker to edit an arbitrary channel post.

Scores

CVSS scores of CVE-2023-2791, by who scored it
Scored byCVSSScoreVector
MattermostCNA (assigner)3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVDNVD · Modified3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS (exploitation in 30 days)
0.40% · top 65% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

  • Mattermost · Mattermost

    • affected < 7.9.2
    • affected < 7.8.3
    • affected < 7.7.4
    • affected < 7.10.1
    • unaffected 7.9.2
    • unaffected 7.8.3
    • unaffected 7.7.4
    • unaffected 7.10.1

What to do

Solution: Update Mattermost to version v7.7.4, v7.8.3, v7.9.2, v7.10.1, or higher.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2023-2791 badge
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Record last updated .