What’s Vulnerable › Vulnerabilities

CVE-2026-90785: Dvidelabs flatcc Struct Analysis semantics.c analyze_struct assertion

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-14 · updated 2026-09-15
• Weakness: CWE-617

Description

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.

Affected products

• Dvidelabs flatcc: 0.6.0, 0.6.1, 0.6.2, 0.6.3

References

• https://github.com/dvidelabs/flatcc/
• https://github.com/dvidelabs/flatcc/commit/f705032346ee39efd7d3848c50b73d455d28d06d
• https://github.com/dvidelabs/flatcc/issues/388
• https://vuldb.com/cve/CVE-2026-90785
• https://vuldb.com/submit/919200
• https://vuldb.com/vuln/403291
• https://vuldb.com/vuln/403291/cti

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