Medium severity · published Sep 14, 2026
CVE-2026-90786
Dvidelabs flatcc Duplicate Symbol semantics.c align_order_members assertion
5.3
CVSS
0.7%
EPSS
No
On KEV
Description
A vulnerability was determined in Dvidelabs flatcc up to 0.6.3. This impacts the function align_order_members of the file src/compiler/semantics.c of the component Duplicate Symbol Handler. This manipulation causes reachable assertion. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 8b19ba4e992ebcad7f5970704d1afc5507fa5205. To fix this issue, it is recommended to deploy a patch.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FL
flatcc · Dvidelabs
0.6.0; 0.6.1; 0.6.2; 0.6.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90786
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90786
github.com
https://github.com/dvidelabs/flatcc/
github.com
https://github.com/dvidelabs/flatcc/issues/387
github.com
https://github.com/jimjag/flatcc/commit/8b19ba4e992ebcad7f5970704d1afc5507fa5205
vuldb.com
https://vuldb.com/cve/CVE-2026-90786
vuldb.com
https://vuldb.com/submit/919201
vuldb.com
https://vuldb.com/vuln/403292
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