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

• Regular Expression Denial of Service (ReDoS) in lodash (GHSA-29mw-wpgm-hmr9) 3 - CVE-2020-28500
• Regular Expression Denial of Service (ReDoS) in lodash (GHSA-x5rq-j2xg-h7qm) - CVE-2019-1010266
• Lobe Chat Desktop vulnerable to Remote Code Execution via XSS in Chat Messages - CVE-2025-59417
• Payload's SQLite adapter Session Fixation vulnerability (GHSA-26rv-h2hf-3fw4) 2 - CVE-2025-4644

Tags:

npm

eta