How severe is CVE-2026-3800?

CVE-2026-3800 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-3800 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3800?

CVE-2026-3800 affects Oretnom23 Resort Reservation System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3800?

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

Does CVE-2026-3800 have an EU (EUVD) identifier?

Yes. CVE-2026-3800 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10291.

When was CVE-2026-3800 published?

CVE-2026-3800 was published on 2026-03-09 and last updated on 2026-06-17.

CVE-2026-3800

CVE-2026-3800 is a medium-severity vulnerability in Oretnom23 Resort Reservation System with a CVSS 3.x base score of 6.3. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10291
Weakness: CWE-434
Affected product: Oretnom23 Resort Reservation System
Published: 2026-03-09
Last modified: 2026-06-17

Description

A vulnerability has been found in SourceCodester/janobe Resort Reservation System 1.0. Affected is the function doInsert of the file /controller.php?action=add. Such manipulation of the argument image leads to unrestricted upload. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2026-3800?: A vulnerability has been found in SourceCodester/janobe Resort Reservation System 1.0. Affected is the function doInsert of the file /controller.php?action=add. Such manipulation of the argument image leads to unrestricted upload. The attack can be executed remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2026-3800?: CVE-2026-3800 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-3800 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3800?: CVE-2026-3800 affects Oretnom23 Resort Reservation System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3800?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3800 have an EU (EUVD) identifier?: Yes. CVE-2026-3800 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10291.
When was CVE-2026-3800 published?: CVE-2026-3800 was published on 2026-03-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:oretnom23:resort_reservation_system:1.0:*:*:*:*:*:*:*

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