Skip to content
EXYS
Back to the CVEs

CVE-2026-89161

7.8, high

In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context

NVD (opens in a new tab) CVE.org (opens in a new tab)
CVSS
7.8, high high CVSS v3.1
EPSS, next 30 days
0.1% higher than 2% of scored CVEs
Exploitation
No public evidence
Published
11 Sept 2026a month ago

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.

Details

Vendor
PCRE
Product
PCRE2
Weakness
CWE-590 (opens in a new tab)
Status
Undergoing analysis
Updated
16 Sept 2026
Assigner
cve@mitre.org

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References 2

Patches and fixes 1

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other PCRE CVEs

Every PCRE CVE we hold

Same vendor in what we hold, not a known link between the flaws.

Beyond this page

Is CVE-2026-89161 in your network?

This page tells you how dangerous CVE-2026-89161 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-89161 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.