Summary
Improper Authorization in loopback
Vulnerable versions of loopback may allow attackers to create Authentication Tokens on behalf of other users due to Improper Authorization. If the AccessToken model is publicly exposed, an attacker can create Authorization Tokens for any user as long as they know the target's userId. This will allow the attacker to access the user's data and their privileges.
Impact
Affected versions
Security releases
Kodem intelligence
Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.
Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.
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For loopback 2.x, upgrade to version 2.40.0 or later
For loopback 3.x, upgrade to version 3.22.0 or later
Frequently Asked Questions
- What is GHSA-8WGC-JJVV-CV6V? GHSA-8WGC-JJVV-CV6V is a high-severity security vulnerability in loopback (npm), affecting versions <= 2.39.2. It is fixed in 2.40.0, 3.22.0.
- Which versions of loopback are affected by GHSA-8WGC-JJVV-CV6V? loopback (npm) versions <= 2.39.2 is affected.
- Is there a fix for GHSA-8WGC-JJVV-CV6V? Yes. GHSA-8WGC-JJVV-CV6V is fixed in 2.40.0, 3.22.0. Upgrade to this version or later.
- Is GHSA-8WGC-JJVV-CV6V exploitable, and should I be worried? Whether GHSA-8WGC-JJVV-CV6V is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
- What actually determines whether GHSA-8WGC-JJVV-CV6V is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
- How do I fix GHSA-8WGC-JJVV-CV6V?
- Upgrade
loopbackto 2.40.0 or later - Upgrade
loopbackto 3.22.0 or later
- Upgrade