SEPTEMBER 11, 2026
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Case File

CVE-2026-51808

CRITICAL · CVSS 9.8 EPSS 0.48% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-14 · Last synced 2026-08-13

CyberRota Analysis

AI-Generated

A critical buffer overflow vulnerability in OpenHTJ2K versions 0.18.4 and earlier allows attackers to execute arbitrary code through specific decoder functions in the source code. This vulnerability poses a significant risk to any systems utilizing affected versions of OpenHTJ2K, making it imperative for organizations using this software to prioritize immediate patching or mitigation efforts. Security teams and software developers should focus on updating to the latest version to safeguard against potential exploitation.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗ github.com ↗ github.com ↗

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

CVE
CVE-2026-51808
Severity
CRITICAL
CVSS
9.8
EPSS
0.48%

Original NVD Description

Buffer Overflow vulnerability in OpenHTJ2K v.0.18.4 and before allows an attacker to execute arbitrary code via the openhtj2k_decoder_impl::invoke, invoke_line_based, invoke_line_based_stream, and invoke_line_based_predecoded function in source/core/interface/decoder.cpp