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VulnerabilityPublished

CVE-2026-120386: Effekseer improperly validates "effect" files

Source GCVE Database

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Authoritative record:CVE-2026-120386· Medium 4.3

Not known to be exploited · CVSS 4.3 Medium.

Data as of 9 Nov 2026, 10:22 UTC

CVSS 3.0 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (jpcert)CVSS 3.04.3
CNA (jpcert)CVSS 4.05.1
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
EffekseerEffekseerAffected
  • <=1.80.7
Fixed in–
GitHubeffekseer/Effekseerpkg:github/effekseer/EffekseerOther threatsAffected
  • <=1.80.7
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should avoid loading untrusted or suspicious effect files until a fix is available. Monitor vendor advisories for updates regarding patches or mitigations.

Description

Effekseer contains a vulnerability where it improperly validates "effect" files. Loading a specially crafted effect file can cause the host process to crash, resulting in a denial of service condition.

References

Community reviews

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