Memory Leak Vulnerability in Dvidelabs Flatcc Software
CVE-2026-90784

6.9MEDIUM

Key Information:

Vendor

Dvidelabs

Status
Flatcc
Vendor
CVE Published:
14 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90784?

A memory leak vulnerability exists in the Dvidelabs Flatcc software that affects versions up to 0.6.3. The issue arises from the fb_clear_parser function found in the src/Compiler/semantics.c file. This vulnerability could allow remote attackers to exploit the leaked memory, potentially leading to degraded system performance or unintended information exposure. It is recommended that users promptly apply the provided patch to mitigate any associated risks.

Affected Version(s)

flatcc 0.6.0

flatcc 0.6.1

flatcc 0.6.2

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-2026-90784 - Proof of Concept

References

https://vuldb.com/vuln/403290
vdb-entrytechnical-description
https://vuldb.com/vuln/403290/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90784
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
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)
.