CVE-2026-1260 HIGH

CVE-2026-1260: Invalid Memory Access in Sentencepiece,

Vendor Google
Product Sentencepiece
Weakness CWE-119
Published January 22, 2026
Last update June 30, 2026
View on NVD All CVEs

CVSS base score

8.5/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction —
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

Invalid memory access in Sentencepiece versions less than 0.2.1 when using a vulnerable model file, which is not created in the normal training procedure.

Key dates

02Disclosure timeline

January 22, 2026 CVE published
June 30, 2026 Record updated