How severe is CVE-2026-26895?

CVE-2026-26895 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-26895 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-26895?

CVE-2026-26895 affects Enhancesoft Osticket. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-26895?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-26895 have an EU (EUVD) identifier?

Yes. CVE-2026-26895 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18366.

When was CVE-2026-26895 published?

CVE-2026-26895 was published on 2026-04-02 and last updated on 2026-07-05.

CVE-2026-26895

CVE-2026-26895 is a medium-severity vulnerability in Enhancesoft Osticket with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18366
Weakness: CWE-203
Affected product: Enhancesoft Osticket
Published: 2026-04-02
Last modified: 2026-07-05

Description

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

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 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-26895 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-26895?: CVE-2026-26895 affects Enhancesoft Osticket. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-26895?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-26895 have an EU (EUVD) identifier?: Yes. CVE-2026-26895 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18366.
When was CVE-2026-26895 published?: CVE-2026-26895 was published on 2026-04-02 and last updated on 2026-07-05.

References

https://csacyber.com/blog/osticket-timing-vulnerability-understanding-the-risk

EU advisories (EUVD)

http://osticket.com

Affected products (1)

cpe:2.3:a:enhancesoft:osticket:*:*:*:*:*:*:*:*

More vulnerabilities in Enhancesoft Osticket

CVE-2021-42235 — Critical (CVSS 9.8): SQL injection in osTicket before 1.14.8 and 1.15.4 login and password reset process allows attackers to access the…
CVE-2022-31888 — High (CVSS 8.8): Session Fixation vulnerability in in function login in class.auth.php in osTicket through 1.16.2.
CVE-2026-22200 — High (CVSS 7.5): Enhancesoft osTicket versions 1.18.x prior to 1.18.3 and 1.17.x prior to 1.17.7 contain an arbitrary file read…
CVE-2023-30082 — High (CVSS 7.5): A denial of service attack might be launched against the server if an unusually lengthy password (more than 10000000…
CVE-2021-45811 — Medium (CVSS 6.5): A SQL injection vulnerability in the "Search" functionality of "tickets.php" page in osTicket 1.15.x allows…
CVE-2023-46967 — Medium (CVSS 6.1): Cross Site Scripting vulnerability in the sanitize function in Enhancesoft osTicket 1.18.0 allows a remote attacker to…

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