Dvidelabs flatcc up to 0.6.3 Struct Analysis src/compiler/semantics.c analyze_struct assertion
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.8 | $0-$5k | 2.68 |
Summary
A vulnerability was found in Dvidelabs flatcc up to 0.6.3. It has been rated as problematic. This impacts the function analyze_struct of the file src/compiler/semantics.c of the component Struct Analysis. This manipulation causes assertion.
This vulnerability is handled as CVE-2026-90785. The attack can be initiated remotely. Additionally, an exploit exists.
To fix this issue, it is recommended to deploy a patch.
Details
A vulnerability classified as problematic was found in Dvidelabs flatcc up to 0.6.3. Affected by this vulnerability is the function analyze_struct of the file src/compiler/semantics.c of the component Struct Analysis. The manipulation with an unknown input leads to a assertion vulnerability. The CWE definition for the vulnerability is CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. As an impact it is known to affect availability.
It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-90785. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.
It is possible to download the exploit at github.com. It is declared as proof-of-concept.
Applying the patch f705032346ee39efd7d3848c50b73d455d28d06d is able to eliminate this problem. The bugfix is ready for download at github.com.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
License
Website
- Product: https://github.com/dvidelabs/flatcc/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 4.8
VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: AssertionCWE: CWE-617
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: f705032346ee39efd7d3848c50b73d455d28d06d
Timeline
09/13/2026 Advisory disclosed09/13/2026 VulDB entry created
09/13/2026 VulDB entry last update
Sources
Product: github.comAdvisory: 388
Status: Confirmed
CVE: CVE-2026-90785 (🔒)
GCVE (CVE): GCVE-0-2026-90785
GCVE (VulDB): GCVE-100-403291
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 09/13/2026 15:06Changes: 09/13/2026 15:06 (60)
Complete: 🔍
Submitter: lrrh
Cache ID: 216::103
Submit
Accepted
- Submit #919200: dvidelabs flatcc v0.6.3 Reachable Assertion (by lrrh)
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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