Eta vulnerable to Code Injection via templates rendered with user-defined data

Description

Versions of the package eta before 2.0.0 are vulnerable to Remote Code Execution (RCE) by overwriting template engine configuration variables with view options received from The Express render API. Note: This is exploitable only for users who are rendering templates with user-defined data.

Recommendation

Update the eta package to the latest compatible version. Followings are version details:

• Affected version(s): < 2.0.0
• Patched version(s): 2.0.0

References

• GHSA-mf6x-hrgr-658f
• security.snyk.io
• CVE-2022-25967
• CWE-94
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Parse Server vulnerable to brute force guessing of user sensitive data via search patterns - CVE-2022-36079
• @siteboon/claude-code-ui Vulnerable to Unauthenticated RCE via WebSocket Shell Injection - CVE-2026-31975
• React Editable Json Tree vulnerable to arbitrary code execution via function parsing - CVE-2022-36010
• lodash vulnerable to Code Injection via `_.template` imports key names - lodash-amd - CVE-2026-4800

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Tags:

npm

eta