CVE-2026-111353: Auth Bypass (CVSS 4.3)

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.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-862 Missing Authorization

References

Other References

https://github.com/Peppermint-Lab/peppermint/blob/0.5.5/apps/api/src/controllers/storage.ts#L9-L35 https://github.com/Peppermint-Lab/peppermint/blob/0.5.5/apps/api/src/controllers/time.ts#L6-L27 https://github.com/Peppermint-Lab/peppermint/blob/0.5.5/apps/api/src/main.ts#L57-L70 https://hackmd.io/@hieuPenguinnn/peppermint-data-logs-missing-authorization https://www.vulncheck.com/advisories/peppermint-through-0.5.5-missing-authorization-via-time-tracking-and-attachment-upload-endpoints

Frequently Asked Questions

What is CVE-2026-111353? +

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. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-111353? +

CVE-2026-111353 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-111353? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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