CVE-2026-3060 CVE-2026-3060

Critical 9.8 Published Updated

Unauthenticated attackers can execute arbitrary code via unsafe pickle deserialization in the SGLang disaggregation module.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-3060?

CVE-2026-3060 is a critical unsafe deserialization vulnerability in SGLang, published on 12 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

SGLang' encoder parallel disaggregation system is vulnerable to unauthenticated remote code execution through the disaggregation module, which deserializes untrusted data using pickle.loads() without authentication.

Weakness: CWE-502

Which versions are affected by CVE-2026-3060?

3 open source packages ship an affected version, including sglang. It affects 1 product.

PackageAffectedFixed in
sglang PyPIAll versions0.5.10
sglang PyPIAll versions0.5.10
sglang PyPIAll versions0.5.10

Products include Lmsys Sglang.

How do I fix CVE-2026-3060?

Upgrade sglang to 0.5.10 or later.

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

Is CVE-2026-3060 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3060 exists.

Sources

Also known as GHSA-jx93-g359-86wm, PYSEC-2026-537.

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