CVE-2026-75062 CRITICAL

CVE-2026-75062: Eval Injection in google/langfun via default lf.query protocol

Vendor Google
Product langfun
Weakness CWE-95 · Eval injection
Published August 26, 2026
Last update August 27, 2026
View on NVD All CVEs

CVSS base score

9.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection') in the default lf.query Python protocol in Google langfun versions prior to 0.1.2 allows remote unauthenticated attackers to execute arbitrary Python code in the context of the host application via crafted prompt inputs that cause the model to generate executable Python expressions evaluated without a sandbox.

Key dates

02Disclosure timeline

August 26, 2026 CVE published
August 27, 2026 Record updated

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