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Vulnerability record · CVE-2026-75062 · published 26 August 2026

CVE-2026-75062: Insecure default initialization vulnerability

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.

9.2 CVSS 4.0 Critical EPSS 0.35% · top 73.9% CWE-95 · CWE-95CWE-1188 · Insecure default initialization Awaiting Analysis
9.2CVSS 4.0 base score
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
31 Aug 2026Last modified by NVD

Description

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.

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/google/langfun
https://github.com/google/langfun/issues/725
https://github.com/google/langfun/issues/725

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Source: NIST National Vulnerability Database (record CVE-2026-75062), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.