CVE-2026-90786

5.5 mediumEPSS 0.7%

Medium (5.5). EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.5 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1

5.3 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-617
Published: 2026-09-14
Modified: 2026-09-15
Record from: the NVD, synced 2026-10-19

References

https://github.com/dvidelabs/flatcc/
https://github.com/dvidelabs/flatcc/issues/387
https://github.com/jimjag/flatcc/commit/8b19ba4e992ebcad7f5970704d1afc5507fa5205
https://vuldb.com/cve/CVE-2026-90786
https://vuldb.com/submit/919201

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