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CVE-2026-5418

7.3 · HIGH

A vulnerability was identified in appsmithorg appsmith up to 1.97.

Published Apr 2, 2026CWE-918EPSS 0.51%

Overview

CVE-2026-5418 is a high-severity vulnerability. It was published on April 2, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability was identified in appsmithorg appsmith up to 1.97. Impacted is the function computeDisallowedHosts of the file app/server/appsmith-interfaces/src/main/java/com/appsmith/util/WebClientUtils.java of the component Dashboard. Such manipulation leads to server-side request forgery. The attack may be launched remotely. The exploit is publicly available and might be used. Upgrading to version 1.99 is recommended to address this issue. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/appsmithorg/appsmith/GitHubgithub.com/appsmithorg/appsmith/security/advisories/GHSA-9m89-5jw7-q5crRefvuldb.com/submit/780190Refvuldb.com/vuln/354855Refvuldb.com/vuln/354855/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-5418?

CVE-2026-5418 is a high-severity vulnerability. It was published on April 2, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-5418?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-5418?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-5418?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-5418 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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