CVE-2026-111353 Peppermint through 0.5.5 Missing Authorization via Time-Tracking and Attachment Upload Endpoints
Authenticated users can create time entries and upload attachments as other users by manipulating user IDs in API requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111353?
CVE-2026-111353 is a medium-severity missing authorization vulnerability in Peppermint-Lab peppermint, published on 15 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-111353?
How do I fix CVE-2026-111353?
No fix has been published for CVE-2026-111353 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-111353 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111353 exists.
Sources
Also known as GHSA-988q-6ph7-3qfp.