CVE-2020-6836

grammar-parser.jison in the hot-formula-parser package before 3.0.1 for Node.js is vulnerable to arbitrary code injection. The package fails to sanitize values passed to the parse function and concatenates them in an eval call. If a value of the formula is taken from user-controlled input, it may allow attackers to run arbitrary commands on the server.

• CWE-94

• https://blog.truesec.com/2020/01/17/reverse-shell-through-a-node-js-math-parser/
• https://github.com/handsontable/formula-parser/commit/396b089738d4bf30eb570a4fe6a188affa95cd5ePatch
• https://www.npmjs.com/advisories/1439Patch, Third Party Advisory
• https://blog.truesec.com/2020/01/17/reverse-shell-through-a-node-js-math-parser/
• https://github.com/handsontable/formula-parser/commit/396b089738d4bf30eb570a4fe6a188affa95cd5ePatch
• https://www.npmjs.com/advisories/1439Patch, Third Party Advisory

Published

Jan 11, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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