Buffer overflow in Google Sentencepiece
CVE-2026-1260
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.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (5.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Google Sentencepiece — versions All versions prior to 0.2.1
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-1260?
- CVE-2026-1260 is a high-severity vulnerability in Google Sentencepiece, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2026-01-22.
- How severe is CVE-2026-1260?
- High severity. CVSS v3 base score is 7.8 out of 10.