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CVE-2026-111353— Peppermint through 0.5.5 Missing Authorization via Time-Tracking and Attachment Upload Endpoints

Quick assessment

Affected
Peppermint-Lab peppermint
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Peppermint 0.5.5 及之前版本存在一个缺失授权验证的安全漏洞。攻击者通过在请求体中提供用户 ID，可以以其他用户的身份创建工时记录和附件。具体而言，攻击者可向 或 接口发送 POST 请求，将文件和时间记录以其他用户的名义添加到任意工单中。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1136 · Create Account
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I. Basic Information for CVE-2026-111353

Vulnerability Information
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Vulnerability Title
Peppermint through 0.5.5 Missing Authorization via Time-Tracking and Attachment Upload Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Peppermint-Lab peppermint 0 ~ 0.5.5 -

II. Public POCs for CVE-2026-111353

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-111353

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Vendor Advisories for CVE-2026-111353 (1)

Proof of Concept for CVE-2026-111353 (1)

Security Blog Posts for CVE-2026-111353 (1)

Other References for CVE-2026-111353 (2)

IV. Related Vulnerabilities

Same product: peppermint
Same vendor: Peppermint-Lab
Same weakness: CWE-862

V. Comments for CVE-2026-111353

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