How severe is CVE-2026-4776?

CVE-2026-4776 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2026-4776 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4776?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-4776 have an EU (EUVD) identifier?

Yes. CVE-2026-4776 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33256.

When was CVE-2026-4776 published?

CVE-2026-4776 was published on 2026-05-29 and last updated on 2026-06-17.

CVE-2026-4776

CVE-2026-4776 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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-89.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33256
Weakness: CWE-89
Published: 2026-05-29
Last modified: 2026-06-17

Description

An SQL injection vulnerability exists in Mautic's API contact filtering mechanism. Due to insufficient recursive sanitization of nested query parameters, an authenticated API user can bypass input filtering and inject arbitrary SQL commands.

Frequently asked questions

What is CVE-2026-4776?: An SQL injection vulnerability exists in Mautic's API contact filtering mechanism. Due to insufficient recursive sanitization of nested query parameters, an authenticated API user can bypass input filtering and inject arbitrary SQL commands.
How severe is CVE-2026-4776?: CVE-2026-4776 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2026-4776 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4776?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-4776 have an EU (EUVD) identifier?: Yes. CVE-2026-4776 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33256.
When was CVE-2026-4776 published?: CVE-2026-4776 was published on 2026-05-29 and last updated on 2026-06-17.

References

https://github.com/mautic/mautic/security/advisories/GHSA-fcmw-wx57-9p75

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