🛡️ GHSA-fxc9-7j2w-vx54 — mpp

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-288 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

mpp has multiple payment bypass and griefing 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

Patches

The issues are patched in 0.8.0

Workarounds

There are no workarounds available for these vulnerabilities

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality none, integrity high, availability none.

Weakness class

GHSA-fxc9-7j2w-vx54 is classified as CWE-288: Authentication Bypass Using an Alternate Path. A secondary route into the application skips the authentication that the primary route enforces.

Affected software

GHSA-fxc9-7j2w-vx54 is recorded against 1 package.

  • mpp

Timeline and source

Published on 29 March 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

github.com (Web)
github.com (Package)
github.com (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N
CWE CWE-288
Public Exploit ✅ No
Source OSV
Published 2026-03-29
Updated 2026-08-12
Modified 2026-03-29
Fix URL N/A

Affected Packages

Software From version Fixed in
mpp — —

Similar Threats

Exploit Protection

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GHSA-fxc9-7j2w-vx54 carries CVSS 9.5 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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