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CVE-2026-67456 NVIDIA CVE debrief

A heap-based buffer overflow vulnerability exists in NVIDIA Warp, which could lead to denial of service. The CVE record was published on 2026-10-13T12:33:28.882Z and has not been modified since then. The NVD entry is currently Medium. This vulnerability affects NVIDIA Warp deployments, particularly those using versions 1.13.0, 1.14.0, and 1.15.0. Defenders should assess exposure and prioritize verification and potential mitigations to prevent denial-of-service attacks. The CVE Program record and NVD vulnerability detail page provide official information about the vulnerability.

Vendor
NVIDIA
Product
Warp
CVSS
MEDIUM 4.4
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-13
Original CVE updated
2026-10-13
Advisory published
2026-10-13
Advisory updated
2026-10-13

Who should care

Defenders responsible for NVIDIA Warp deployments, especially those using versions 1.13.0, 1.14.0, and 1.15.0, should assess exposure and prioritize verification and potential mitigations.

Why it matters

The CVE-2026-67456 vulnerability in NVIDIA Warp requires attention from defenders to verify exposure, assess potential impacts, and prioritize mitigations to prevent denial-of-service attacks.

  • Denial-of-service attacks may be possible due to the heap-based buffer overflow vulnerability
  • Verification of Warp deployments and versions is necessary to determine exposure
  • Updates or mitigations may be required to prevent exploitation

Technical summary

The CVE-2026-67456 vulnerability exists in NVIDIA Warp, where an attacker could cause a heap-based buffer overflow, potentially leading to denial of service. Affected versions include 1.13.0, 1.14.0, and 1.15.0. The vulnerability requires attention from defenders to verify exposure, assess potential impacts, and prioritize mitigations. NVIDIA's product security page may offer additional guidance on affected products and mitigation strategies.

Defensive priority

Defenders should prioritize verifying exposure of Warp deployments, especially those using versions 1.13.0, 1.14.0, and 1.15.0, and assess the need for updates or mitigations.

Recommended defensive actions

  • Verify exposure of Warp deployments, especially those using versions 1.13.0, 1.14.0, and 1.15.0
  • Assess the need for updates or mitigations
  • Monitor for potential denial-of-service attacks

Evidence notes

The CVE Program record and NVD vulnerability detail page provide official information about the vulnerability. NVIDIA's product security page may offer additional guidance on affected products and mitigation strategies.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-67456 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-67456

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-67456 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-67456

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • CVE-2026-67456

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/67xxx/CVE-2026-67456.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://github.com/NVIDIA/product-security/tree/main/2026/5901

    Supplemental source

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.