CVE-2026-44643

Description

## Impact An attacker can write a malicious expression that escapes the sandbox to execute arbitrary code on the system. Example of vulnerable code: ``` const expressions = require("angular-expressions"); const result = expressions.compile("a | __proto__")({}, {}); ``` This should throw the error : Filter '__proto__' is not defined, however, this shows : Uncaught SyntaxError: Unexpected identifier 'Object' With a more complex (undisclosed) payload, one can get full access to Arbitrary code execution on the system. ## Vulnerable versions : angular-expressions <= 1.5.1 ## Patches The problem has been patched in version 1.5.2 of angular-expressions. ## Credits Credits go to San Gil from [www.securityoffice.io](https://securityoffice.io/) who has found the issue and reported it to us.

How to fix CVE-2026-44643

To remediate CVE-2026-44643, upgrade the affected package to a fixed version below.

• —upgrade to 1.5.2 or later

Is CVE-2026-44643 being exploited?

Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.

Affected packages (1)

• from 0, < 1.5.2

CVSS scores

References (3)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2026-44643
• PATCHgithub.com/peerigon/angular-expressions
• WEBgithub.com/peerigon/angular-expressions/security/advisories/GHSA-pw8r-6689-xvf4