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CVE-2026-90852

7.3 · HIGH

A vulnerability has been found in luben zstd-jni up to 1.5.7-13.

Published Sep 15, 2026CWE-119EPSS 0.54%

Overview

CVE-2026-90852 is a high-severity vulnerability. It was published on September 15, 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 has been found in luben zstd-jni up to 1.5.7-13. This vulnerability affects the function ZstdCompressCtx.loadDict of the file ZstdCompressCtx.java of the component Dictionary Sharing. Such manipulation leads to use after free. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.5.7-14 is able to resolve this issue. The name of the patch is a560131d7834598afd9cea6b7c107bc88e915936. 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/luben/zstd-jni/GitHubgithub.com/luben/zstd-jni/commit/a560131d7834598afd9cea6b7c107bc88e915936GitHubgithub.com/luben/zstd-jni/issues/404GitHubgithub.com/luben/zstd-jni/releases/tag/v1.5.7-14Refvuldb.com/cve/CVE-2026-90852Refvuldb.com/submit/927022Refvuldb.com/vuln/403407Refvuldb.com/vuln/403407/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-90852?

CVE-2026-90852 is a high-severity vulnerability. It was published on September 15, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-90852?

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-2026-90852?

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-2026-90852?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-90852 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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