High severity · published Jan 22, 2026
CVE-2026-1260
Invalid Memory Access in Sentencepiece,
7.8
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
Sentencepiece · Google
All versions prior to 0.2.1 · source: vendor, NVD
RH
Red Hat AI Inference Server · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat OpenShift AI 2.25 · Red Hat
All versions, or not specified · source: CISA
RH
Red Hat OpenShift AI 3.3 · Red Hat
All versions, or not specified · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-1260
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-1260
Product
https://github.com/google/sentencepiece/releases/tag/v0.2.1
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:3713
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:3782
access.redhat.com
https://access.redhat.com/security/cve/CVE-2026-1260
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2432079
security.access.redhat.com
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-1260.json