CVE-2026-8740 Sanluan PublicCMS templateResult API TemplateResultDirective.java execute special elements used in a template engine
Remote attackers can execute arbitrary code via template injection in the PublicCMS templateResult API, requiring permissions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-8740?
CVE-2026-8740 is a medium-severity code injection vulnerability in Sanluan PublicCMS, published on 17 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
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.
Which versions are affected by CVE-2026-8740?
How do I fix CVE-2026-8740?
No fix has been published for CVE-2026-8740 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-8740 being exploited?
There is no known exploitation of CVE-2026-8740 in the wild and no public exploit code.
Sources
Also known as GHSA-pqmw-x4mq-chh8.