CVE-2026-25204 Deserialization in Escargot

Medium 6.2 Published Updated

An attacker can cause a denial of service via process abort by exploiting a deserialization vulnerability in the Escargot JavaScript engine.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-25204?

CVE-2026-25204 is a medium-severity unsafe deserialization vulnerability in Samsung Open Source Escargot, published on 13 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Deserialization of untrusted data vulnerability in Samsung Open Source Escargot Java Script allows denial of service condition via process abort.

This issue affects escarogt prior to commit hash

97e8115ab1110bc502b4b5e4a0c689a71520d335

Weakness: CWE-843, CWE-502

Which versions are affected by CVE-2026-25204?

It affects 1 product.

Products include Samsung Escargot.

How do I fix CVE-2026-25204?

No fix has been published for CVE-2026-25204 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2026-25204 being exploited?

There is no known exploitation of CVE-2026-25204 in the wild and no public exploit code.

Sources

Also known as GHSA-rj7j-w6j6-856v.

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