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Vulnerabilities

Vulnerability · 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.

Published Jan 22, 2026 · catalog updated Jul 15, 2026 · Google Sentencepiece

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-1260. EPSS is 0.17%. Act only if a listed version of Google Sentencepiece is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.17%
Remediation
Vendor / distro source
Affected products
vendor Google Sentencepiece All versions prior to 0.2.1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Google Sentencepiece All versions prior to 0.2.1All versions prior to 0.2.1

How to fix CVE-2026-1260

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-1260. EPSS is 0.17%. Act only if a listed version of Google Sentencepiece is installed.

Which versions are affected?

Compare what you have installed with Google Sentencepiece All versions prior to 0.2.1 All versions prior to 0.2.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.17%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 22, 2026 · EUVD

    Detected

    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.

  2. Jul 15, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-1260

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-1260

    30-day exploitation probability 0.17%

    first.org
  • EUVDVulnerability recordEUVD-2026-3802

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 5, 2026
  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026