CVE-2026-6797 Sanluan PublicCMS DocToHtmlUtils.java ZipSecureFile.setMinflateRatio resource consumption

Medium 5.3 Published Updated

Remote attackers can cause resource consumption in Sanluan PublicCMS via the DocToHtmlUtils.java component, leading to denial of service.

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-2026-6797?

CVE-2026-6797 is a medium-severity denial of service vulnerability in Sanluan PublicCMS, published on 21 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was identified in Sanluan PublicCMS up to 6.202506.d. Affected by this vulnerability is the function ZipSecureFile.setMinflateRatio of the file common/src/main/java/com/publiccms/common/tools/DocToHtmlUtils.java. Such manipulation leads to resource consumption. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-404, CWE-400

Which versions are affected by CVE-2026-6797?

How do I fix CVE-2026-6797?

No fix has been published for CVE-2026-6797 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-6797 being exploited?

There is no known exploitation of CVE-2026-6797 in the wild and no public exploit code.

Sources

Also known as GHSA-f82q-cjhg-c837.

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