Which versions of mpp are affected by GHSA-FXC9-7J2W-VX54?

mpp (rust) versions < 0.8.0 is affected.

Is there a fix for GHSA-FXC9-7J2W-VX54?

Yes. GHSA-FXC9-7J2W-VX54 is fixed in 0.8.0. Upgrade to this version or later.

Is GHSA-FXC9-7J2W-VX54 exploitable, and should I be worried?

Whether GHSA-FXC9-7J2W-VX54 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.

What actually determines whether GHSA-FXC9-7J2W-VX54 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.

GHSA-FXC9-7J2W-VX54 in mpp

Q: What is GHSA-FXC9-7J2W-VX54?

GHSA-FXC9-7J2W-VX54 is a critical-severity security vulnerability in mpp (rust), affecting versions < 0.8.0. It is fixed in 0.8.0.

Q: Which versions of mpp are affected by GHSA-FXC9-7J2W-VX54?

mpp (rust) versions < 0.8.0 is affected.

Q: Is there a fix for GHSA-FXC9-7J2W-VX54?

Yes. GHSA-FXC9-7J2W-VX54 is fixed in 0.8.0. Upgrade to this version or later.

Q: Is GHSA-FXC9-7J2W-VX54 exploitable, and should I be worried?

Whether GHSA-FXC9-7J2W-VX54 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.

Q: What actually determines whether GHSA-FXC9-7J2W-VX54 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.

GHSA-FXC9-7J2W-VX54

GHSA-FXC9-7J2W-VX54 is a critical-severity security vulnerability in mpp (rust), affecting versions < 0.8.0. It is fixed in 0.8.0.

Does this CVE actually affect you?

Kodem shows which CVEs are reachable and running in your applications, so you fix what's exploitable, not just what's listed.

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Runtime intelligence, not another scanner.

Summary

mpp has multiple payment bypass and griefing vulnerabilities

Workarounds

There are no workarounds available for these vulnerabilities

Impact

Multiple vulnerabilities were discovered which allowed for undesirable behaviors, including:

Performing free tempo/charge requests
Replaying existing tempo/charge requests
Performing free tempo/session requests
Piggybacking off existing tempo/session channels
Griefing existing tempo/session channels
Manipulate the fee payer of a tempo/charge or tempo/session handler into paying for requests
Replaying existing stripe/charge requests

Affected versions

mpp (< 0.8.0)

Security releases

mpp → 0.8.0 (rust)

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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Remediation advice

The issues are patched in 0.8.0

Frequently Asked Questions

What is GHSA-FXC9-7J2W-VX54? GHSA-FXC9-7J2W-VX54 is a critical-severity security vulnerability in mpp (rust), affecting versions < 0.8.0. It is fixed in 0.8.0.
Which versions of mpp are affected by GHSA-FXC9-7J2W-VX54? mpp (rust) versions < 0.8.0 is affected.
Is there a fix for GHSA-FXC9-7J2W-VX54? Yes. GHSA-FXC9-7J2W-VX54 is fixed in 0.8.0. Upgrade to this version or later.
Is GHSA-FXC9-7J2W-VX54 exploitable, and should I be worried? Whether GHSA-FXC9-7J2W-VX54 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-FXC9-7J2W-VX54 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-FXC9-7J2W-VX54? Upgrade mpp to 0.8.0 or later.