How severe is CVE-2026-4966?

CVE-2026-4966 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-2026-4966 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4966?

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

Does CVE-2026-4966 have an EU (EUVD) identifier?

Yes. CVE-2026-4966 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16738.

When was CVE-2026-4966 published?

CVE-2026-4966 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-4966

CVE-2026-4966 is a medium-severity vulnerability 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16738
Weakness: CWE-74
Published: 2026-03-27
Last modified: 2026-06-17

Description

A flaw has been found in itsourcecode Free Hotel Reservation System 1.0. Impacted is an unknown function of the file /admin/mod_room/index.php?view=edit. Executing a manipulation of the argument ID can lead to sql injection. The attack can be launched remotely. The exploit has been published and may be used.

Frequently asked questions

What is CVE-2026-4966?: A flaw has been found in itsourcecode Free Hotel Reservation System 1.0. Impacted is an unknown function of the file /admin/mod_room/index.php?view=edit. Executing a manipulation of the argument ID can lead to sql injection. The attack can be launched remotely. The exploit has been published and may be used.
How severe is CVE-2026-4966?: CVE-2026-4966 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-2026-4966 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4966?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4966 have an EU (EUVD) identifier?: Yes. CVE-2026-4966 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16738.
When was CVE-2026-4966 published?: CVE-2026-4966 was published on 2026-03-27 and last updated on 2026-06-17.

References

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