Memory Corruption Vulnerability in marcobambini Gravity Software
CVE-2026-90714

5.3MEDIUM

Key Information:

Vendor

Marcobambini

Status
Gravity
Vendor
CVE Published:
14 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90714?

A vulnerability exists in the marcobambini Gravity software, specifically within the JSON parser component located in the file src/utils/gravity_json.c. This flaw can lead to memory corruption and can be exploited remotely, allowing attackers to manipulate data or cause disruptions. Users are advised to upgrade to version 0.9.8 to mitigate this risk. The patch identifier for this update is 9b337c3eae5833c3956bed1fc01c21c14fd443f2.

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-2026-90714 - Proof of Concept

References

https://vuldb.com/vuln/403268
vdb-entry
https://vuldb.com/vuln/403268/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90714
third-party-advisory

CVSS V4

Score:
5.3
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)
.