---
id: CVE-2026-111353
title: >-
  Peppermint through 0.5.5 Missing Authorization via Time-Tracking and
  Attachment Upload Endpoints
summary: >-
  Peppermint through 0.5.5 contains a missing authorization vulnerability that
  allows any authenticated user to create time entries and attachments as other
  users by supplying a user id in the request body. Attackers can send POST
  requests…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'
cvssSource: cna
cwe:
  - CWE-862
vendor: Peppermint-Lab
product: peppermint
affected:
  - peppermint <= 0.5.5
published: '2026-10-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T21:43:43.068Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111353'
references:
  - url: >-
      https://hackmd.io/@hieuPenguinnn/peppermint-data-logs-missing-authorization
  - url: >-
      https://github.com/Peppermint-Lab/peppermint/blob/0.5.5/apps/api/src/controllers/time.ts#L6-L27
  - url: >-
      https://github.com/Peppermint-Lab/peppermint/blob/0.5.5/apps/api/src/controllers/storage.ts#L9-L35
  - url: >-
      https://github.com/Peppermint-Lab/peppermint/blob/0.5.5/apps/api/src/main.ts#L57-L70
  - url: >-
      https://www.vulncheck.com/advisories/peppermint-through-0.5.5-missing-authorization-via-time-tracking-and-attachment-upload-endpoints
    label: >-
      VulnCheck Advisory: Peppermint through 0.5.5 Missing Authorization via
      Time-Tracking and Attachment Upload Endpoints
tags:
  - cve.org
ingestedAt: '2026-10-15T22:48:25.456Z'
---

## Overview

Peppermint through 0.5.5 contains a missing authorization vulnerability that allows any authenticated user to create time entries and attachments as other users by supplying a user id in the request body. Attackers can send POST requests to /api/v1/time/new or /api/v1/storage/ticket/:id/upload/single to attach files and time records to any ticket under another user's identity.

## Affected

- `peppermint <= 0.5.5`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.