CVE-2026-7871 Insecure Deserialization in Redis Cache Backend

Critical 9.8 Published Updated

Attackers with Redis access can execute arbitrary code via insecure deserialization, compromising application secrets and system integrity.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-7871?

CVE-2026-7871 is a critical unsafe deserialization vulnerability in Langflow Langflow, published on 30 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

IBM Langflow OSS 1.0.0 through 1.10.0 allows users with Redis access to execute arbitrary code with full application privileges, compromising all secrets, data, and system integrity.

Weakness: CWE-502

Which versions are affected by CVE-2026-7871?

It affects 1 product.

Products include Langflow Langflow.

How do I fix CVE-2026-7871?

No fix has been published for CVE-2026-7871 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-2026-7871 being exploited?

There is no known exploitation of CVE-2026-7871 in the wild and no public exploit code.

All Langflow Langflow vulnerabilities

Sources

Also known as GHSA-2fmj-c726-jmv7.

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