Effekseer improperly validates "effect" files.

published 2026-11-09 3d ago modified 2026-11-09 3d ago also EUVD-2026-119872

cvss: 4.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits: 0; none known

Effekseer improperly validates "effect" files. When a crafted effect file is loaded to the affected runtime, the host process may be forced to crash.

Patch / fix

links 2

github.com/effekseer/Effekseer@6cf1cb8 commit
github.com/effekseer/Effekseer/releases/tag/1808 release

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Exploit prediction

0.23% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by	version	score	vector
CNA	3.0	4.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
CNA	4.0	5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CNA	4.0	5.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

Effekseer Effekseer

Classification

Weakness

CWE-237 Improper Handling of Structural Elements

References

Sources

CVE List CVE-2026-120386
NVD CVE-2026-120386

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