Is CVE-2026-8740 actively exploited?

No active exploitation of CVE-2026-8740 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-8740 be exploited remotely?

Yes. CVE-2026-8740 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-8740?

CVE-2026-8740 has a CVSS score of 6.3 (MEDIUM).

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MEDIUM

CVE-2026-8740

CWE-791Published: May 17, 2026· Updated: May 18, 2026

6.3

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.4th

Official Description

A flaw has been found in Sanluan PublicCMS 5.202506.d. The impacted element is the function execute of the file publiccms-core/src/main/java/com/publiccms/views/directive/tools/TemplateResultDirective.java of the component templateResult API. This manipulation of the argument templateContent causes improper neutralization of special elements used in a template engine. The attack is possible to be carried out remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

NVD Source

Technical Analysis

CVE-2026-8740 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.