Riskcovery

CVE-2026-4053

post edit time limit is not enforced on some post update operations

State
Published
Severity
3.1 Low
Published
May 15, 2026
Updated
May 15, 2026
Reserved
Mar 12, 2026

Read the record on cve.org

Description

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13 fail to enforce the PostEditTimeLimit on non-message post fields which allows an authenticated user to modify post file attachments, props, and pin status after the edit window has expired via the post patch and update API endpoints.. Mattermost Advisory ID: MMSA-2026-00631

Scores

CVSSScoreVectorSource
3.13.1 LowCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:NMattermost

Weaknesses

  • CWE-672 Operation on a Resource after Expiration or Release

Affected Products

ProductVersions
MattermostMattermost
  • 11.5.0 through 11.5.1Affected
  • 10.11.0 through 10.11.13Affected
  • 11.6.0Not affected
  • 11.5.2Not affected
  • 10.11.14Not affected

References

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