CVE-2026-1260
Sentencepiece has a a heap overflow issue
EPSS 0.00%
Description
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.
How to fix CVE-2026-1260
To remediate CVE-2026-1260, upgrade the affected package to a fixed version below.
- PyPI/sentencepiece—upgrade to 0.2.1 or later
Is CVE-2026-1260 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.2.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |