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CVE-2026-67615

8.8 · HIGH

openEQUELLA before 2026.1.0 contains an authenticated remote code execution vulnerability that allows any authenticated non-guest user to execute arbitrary code by exploiting Java deserialization i…

Published Sep 22, 2026CWE-184EPSS 0.54%

Overview

CVE-2026-67615 is a high-severity vulnerability. It was published on September 22, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

openEQUELLA before 2026.1.0 contains an authenticated remote code execution vulnerability that allows any authenticated non-guest user to execute arbitrary code by exploiting Java deserialization in the HTTP invoker endpoint at /invoker/*. Attackers can bypass the class-name denylist enforced by PluginAwareObjectInputStream by nesting a serialized payload inside a java.security.SignedObject, causing the inner stream to be deserialized by a separate ObjectInputStream that does not apply the denylist, ultimately reaching a JNDI sink and enabling code execution.

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

Refblog.evan.lat/posts/openeqGitHubgithub.com/openequella/openEQUELLA/releases/tag/2026.1.0GitHubgithub.com/openequella/openEQUELLA/security/advisories/GHSA-97gw-jwjx-fx9hRefwww.vulncheck.com/advisories/openequella-authenticated-rce-via-java-deserialization-in-http-invoker

How CyberStrike helps

Frequently asked questions

What is CVE-2026-67615?

CVE-2026-67615 is a high-severity vulnerability. It was published on September 22, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-67615?

This vulnerability has a CVSS 3.1 base score of 8.8, 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-2026-67615?

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-2026-67615?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-67615 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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