CVE-2026-1260
Invalid memory access in SentencePiece <0.2.1 when loading vulnerable model files.
Is CVE-2026-1260 being exploited?
Not confirmed. CVE-2026-1260 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.17% probability of exploitation in the next 30 days.
How severe is CVE-2026-1260?
CVE-2026-1260 is rated High with a CVSS score of 8.5. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-1260?
Yes. A fix has been recorded for CVE-2026-1260. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-1260 affect?
CVE-2026-1260 affects SentencePiece <0.2.1 library. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-1260?
Upgrade to SentencePiece 0.2.1 or newer
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Memory access violation could crash the process or corrupt memory when loading crafted model files.
Patch when possible
- affectedAll versions prior to 0.2.1
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.