CVE-2026-26895

Name: CVE-2026-26895
Creator: NVD / NIST
Published: 2026-04-02T17:16:21.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2026-26895 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. User enumeration vulnerability in /pwreset.php in osTicket v1.18.2 allows remote attackers to enumerate valid usernames registered in the platform.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

User enumeration vulnerability in /pwreset.php in osTicket v1.18.2 allows remote attackers to enumerate valid usernames registered in the platform.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.37%

28.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-203

Affected Software

Vendor	Product	Versions
Enhancesoft	Osticket	< 1.18.3

References

http://osticket.comProduct
https://csacyber.com/blog/osticket-timing-vulnerability-understanding-the-riskExploit, Third Party Advisory

Timeline

Published: Apr 2, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-26895?

User enumeration vulnerability in /pwreset.php in osTicket v1.18.2 allows remote attackers to enumerate valid usernames registered in the platform.

How severe is CVE-2026-26895?

CVE-2026-26895 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2026-26895?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-26895?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST