SEPTEMBER 14, 2026
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Case File

CVE-2026-89161

HIGH · CVSS 7.4 EPSS 0.11% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-09-11 · Last synced 2026-09-14

CyberRota Analysis

AI-Generated

PCRE2 versions prior to 10.48 are vulnerable due to a flaw in the pcre2_jit_match function, which mishandles a previously copied subject when passed as a context, potentially leading to an incorrect memory free operation. This vulnerability could result in memory corruption, which may be exploited to execute arbitrary code. Organizations utilizing PCRE2 in their applications should prioritize patching this issue to mitigate the risk of exploitation.

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-2026-89161
Severity
HIGH
CVSS
7.4
EPSS
0.11%

Original NVD Description

In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.