Integer Overflow Vulnerability in marcobambini Gravity Plugin
CVE-2026-90715

6.9MEDIUM

Key Information:

Vendor

Marcobambini

Status
Gravity
Vendor
CVE Published:
14 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90715?

A vulnerability has been identified in the marcobambini Gravity plugin prior to version 0.9.8, specifically within the udp json-parser component. An integer overflow can occur due to manipulations in the file src/utils/gravity_json.c. This vulnerability may be exploited remotely, allowing attackers to execute unwanted actions. A patch is available in version 0.9.8, which mitigates this risk. It is highly recommended that users upgrade their installations to this secure version to prevent potential exploitation.

Affected Version(s)

Gravity 0.9.0

Gravity 0.9.1

Gravity 0.9.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-90715 - Proof of Concept

References

https://vuldb.com/vuln/403269
vdb-entry
https://vuldb.com/vuln/403269/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90715
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

lrrh (VulDB User)
.