---
id: CVE-2026-90785
title: A vulnerability was found in Dvidelabs flatcc up to 0.6.3
summary: >-
  A vulnerability was found in Dvidelabs flatcc up to 0.6.3. This affects the
  function analyze_struct of the file src/compiler/semantics.c of the component
  Struct Analysis. The manipulation results in reachable assertion. It is
  possible to…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-617
vendor: Dvidelabs
product: flatcc
affected:
  - flatcc 0.6.0
  - flatcc 0.6.1
  - flatcc 0.6.2
  - flatcc 0.6.3
published: '2026-09-14'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T14:17:34.570'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90785'
references:
  - url: 'https://github.com/dvidelabs/flatcc/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/dvidelabs/flatcc/commit/f705032346ee39efd7d3848c50b73d455d28d06d
    label: cna@vuldb.com
  - url: 'https://github.com/dvidelabs/flatcc/issues/388'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90785'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/919200'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403291'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403291/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-09-15T13:47:21.912180Z'
epss: 0.00419
epssPercentile: 0.35839
ingestedAt: '2026-09-14T15:23:07.422Z'
---

## Overview

A vulnerability was found in Dvidelabs flatcc up to 0.6.3. This affects the function analyze_struct of the file src/compiler/semantics.c of the component Struct Analysis. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit has been made public and could be used. The patch is identified as f705032346ee39efd7d3848c50b73d455d28d06d. A patch should be applied to remediate this issue.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.