The current version of osTicket is 1.18.4 (as of 18/06/2026). patchletter checks the official source daily and emails you new releases.
osTicket at a glance
osTicket is a long-established open-source support-ticketing system, widely used by SMBs to manage customer support requests. osTicket ships regular releases plus security fixes; as a web application handling customer communications and often integrated with email, hardening and timely updates matter.
For admins updates run through the documented procedure and include database changes — back up the database and attachments first, and keep the underlying PHP and database supported. osTicket has had security advisories, so apply security releases promptly. Keep the staff/admin panel off the open internet behind authentication, and secure the mail integration (fetching and sending) it relies on. The customer-facing portal accepts untrusted input and attachments — a surface to keep patched. After upgrading, verify login, ticket creation, and mail flow in and out. Track the version and its support status; patchletter surfaces new osTicket releases so security fixes aren't missed.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 1.18.4 | STABLE | 18/06/2026 | Release notes → |
| 1.18.3 | STABLE | 15/01/2026 | Release notes → |
| 1.18.2 | STABLE | 04/02/2025 | Release notes → |
| 1.18.1 | STABLE | 25/10/2023 | Release notes → |
| 1.18 | STABLE | 12/06/2023 | Release notes → |
| 1.17.8 | STABLE | 18/06/2026 | Release notes → |
| 1.17.7 | STABLE | 15/01/2026 | Release notes → |
| 1.17.6 | STABLE | 04/02/2025 | Release notes → |
| 1.17.5 | STABLE | 25/10/2023 | Release notes → |
| 1.17.4 | STABLE | 12/06/2023 | Release notes → |
| 1.17.3 | STABLE | 08/03/2023 | Release notes → |
| 1.17.2 | STABLE | 14/11/2022 | Release notes → |
| 1.17.1 | STABLE | 09/11/2022 | Release notes → |
| 1.17 | STABLE | 30/09/2022 | Release notes → |
| 1.16.6 | STABLE | 08/03/2023 | Release notes → |
| 1.16.5 | STABLE | 14/11/2022 | Release notes → |
| 1.16.4 | STABLE | 09/11/2022 | Release notes → |
| 1.16.3 | STABLE | 19/05/2022 | Release notes → |
| 1.16.2 | STABLE | 20/04/2022 | Release notes → |
| 1.16.1 | STABLE | 15/02/2022 | Release notes → |
| 1.16 | STABLE | 08/02/2022 | Release notes → |
| 1.15.8 | STABLE | 19/05/2022 | Release notes → |
| 1.15.7 | STABLE | 20/04/2022 | Release notes → |
| 1.15.6 | STABLE | 15/02/2022 | Release notes → |
| 1.15.5 | STABLE | 08/02/2022 | Release notes → |
| 1.15.4 | STABLE | 07/10/2021 | Release notes → |
| 1.15.3.1 | STABLE | 28/07/2021 | Release notes → |
| 1.15.3 | STABLE | 28/07/2021 | Release notes → |
| 1.15.2 | STABLE | 03/03/2021 | Release notes → |
| 1.15.1 | STABLE | 07/12/2020 | Release notes → |
| 1.15 | STABLE | 17/11/2020 | Release notes → |
| 1.14.8 | STABLE | 07/10/2021 | Release notes → |
| 1.14.7 | STABLE | 28/07/2021 | Release notes → |
| 1.14.6 | STABLE | 03/03/2021 | Release notes → |
| 1.14.5 | STABLE | 07/12/2020 | Release notes → |
| 1.14.4 | STABLE | 17/11/2020 | Release notes → |
| 1.14.3 | STABLE | 19/08/2020 | Release notes → |
| 1.14.2 | STABLE | 28/04/2020 | Release notes → |
| 1.14.1 | STABLE | 21/11/2019 | Release notes → |
| 1.14 | STABLE | 19/11/2019 | Release notes → |
| 1.12.6 | STABLE | 28/04/2020 | Release notes → |
| 1.12.5 | STABLE | 21/11/2019 | Release notes → |
| 1.12.4 | STABLE | 19/11/2019 | Release notes → |
| 1.12.3 | STABLE | 02/10/2019 | Release notes → |
| 1.12.2 | STABLE | 26/07/2019 | Release notes → |
| 1.12.1 | STABLE | 25/07/2019 | Release notes → |
| 1.12 | STABLE | 24/04/2019 | Release notes → |
| 1.11 | STABLE | 06/02/2019 | Release notes → |
| 1.10.7 | STABLE | 25/07/2019 | Release notes → |
| 1.10.6 | STABLE | 24/04/2019 | Release notes → |
Frequently asked questions
- What is the latest version of osTicket?
- osTicket 1.18.4, released 18/06/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the osTicket release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new osTicket updates?
- Tick osTicket off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new osTicket version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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[](https://patchletter.com/en/software/osticket)https://patchletter.com/badge/osticket.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
