PatchTheCVECVE-2026-26895: User enumeration vulnerability in /pwreset.php in osTicket v1.18.2 allows remote attackers to enumerate valid
CVE-2026-26895 is a medium-severity flaw (CVSS 5.3) affecting osticket. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
User enumeration vulnerability in /pwreset.php in osTicket v1.18.2 allows remote attackers to enumerate valid usernames registered in the platform.
Why this priority
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 72%) |
| CISA exploited list | No |
| Weakness | CWE-203 |
| Published | 2026-04-02 |
| Last modified | 2026-07-24 |
Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-26895?
osticket: upgrade to 1.18.3. Exact commands for each OS are on this page.
Is CVE-2026-26895 being exploited?
CVE-2026-26895 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-26895 affect?
CVE-2026-26895 affects osticket. Severity is medium (CVSS 5.3). User enumeration vulnerability in /pwreset.php in osTicket v1.18.2 allows remote attackers to enumerate valid usernames registered in the platform.
How urgent is CVE-2026-26895?
Priority 36/100. Public exploit reference; Remotely exploitable, no login, no user action