Medium severity · published Aug 21, 2026
CVE-2026-76131
Use of hard-coded credentials issue exists in VOCALOID6 , which may allow an attacker to impersonate a legitimate VOCALOID6 Editor and gain access to Yamaha's activation and…
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
Use of hard-coded credentials issue exists in VOCALOID6 , which may allow an attacker to impersonate a legitimate VOCALOID6 Editor and gain access to Yamaha's activation and content servers.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VO
VOCALOID6 · Yamaha Corporation
through 6.13.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-76131
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-76131
jvn.jp
https://jvn.jp/en/vu/JVNVU90210212/
www.vocaloid.com
https://www.vocaloid.com/en/support/download/
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3.3
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Missing authentication for critical function vulnerability exists in VOCALOID6