SEPTEMBER 15, 2026
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Case File

CVE-2026-89046

HIGH · CVSS 8.2 EPSS 0.57% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-10 · Last synced 2026-09-15

CyberRota Analysis

AI-Generated

Versions 1.5.5-6 through 1.5.7-13 of zstd-jni are vulnerable due to an out-of-bounds read in the Zstd.getFrameContentSize method, which improperly handles negative srcPosition arguments. This flaw allows attackers to exploit the vulnerability by supplying negative offsets, potentially leading to information disclosure or crashes of the Java Virtual Machine. Organizations using affected versions should prioritize patching this vulnerability to mitigate the risk of data leakage and service disruption.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-89046
Severity
HIGH
CVSS
8.2
EPSS
0.57%

Original NVD Description

zstd-jni versions 1.5.5-6 through 1.5.7-13 contain an out-of-bounds read vulnerability in Zstd.getFrameContentSize that fails to validate negative srcPosition arguments. Attackers can supply negative offset values that bypass bounds checks and reach the native frame-header parser, causing out-of-bounds memory reads that lead to information disclosure or JVM crashes.