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CVE-2026-108334

7.4 · HIGH

A flaw was found in the internal WebAssembly (WASM) shim used by the Kuadrant operator.

Published Oct 15, 2026CWE-917EPSS 0.34%

Overview

CVE-2026-108334 is a high-severity vulnerability. It was published on October 15, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A flaw was found in the internal WebAssembly (WASM) shim used by the Kuadrant operator. When generating the CEL predicate that determines whether Gateway-level authentication and rate limiting should run, the shim does not correctly escape values from HTTPRoute match fields. A user who can create or modify an HTTPRoute attached to a shared Gateway can provide a crafted path, header, or query match value that causes the predicate to skip those checks. The request is still forwarded to the route’s backend.

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

Refaccess.redhat.com/errata/RHSA-2026:83531Refaccess.redhat.com/errata/RHSA-2026:88203Refaccess.redhat.com/security/cve/CVE-2026-108334Refbugzilla.redhat.com/show_bug.cgi?id=2548768GitHubgithub.com/Kuadrant/kuadrant-operator/commit/7e667dc216e6ad38feaeadb391da59aa0380057aGitHubgithub.com/advisories/GHSA-fcw2-f6v9-6ffp

How CyberStrike helps

Frequently asked questions

What is CVE-2026-108334?

CVE-2026-108334 is a high-severity vulnerability. It was published on October 15, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

How severe is CVE-2026-108334?

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-108334?

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-2026-108334?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-108334 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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