Expression injection in AviatorScript

CRITICAL 9.8CVE-2021-41862 · GHSA-xpv2-8ppj-79hh · Published 02/10/2021 · updated 17/06/2026

In short

CVE-2021-41862 is a CRITICAL (CVSS 9.8) vulnerability affecting com.googlecode.aviator:aviator, aviatorscript (aviatorscript project).
Chance of exploitation in the next 30 days (EPSS): 1.9%, higher than 80.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
com.googlecode.aviator:aviator Maven	`≥ 5.2.1, ≤ 5.2.7`	No fix yet
aviatorscript aviatorscript_project	`≥ 5.2.1`	No fix yet

AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).

NVD description

AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).

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