Unauthenticated data tampering via dimension-blind cache keys
Published Aug 4, 2026 · Updated Aug 4, 2026
Cache-key collision in NVIDIA Dynamo 1.1.0 and earlier allows remote attackers to tamper with multimodal embeddings via crafted images. The multimodal embedding cache hashes pixel bytes without incorporating image dimensions, so differently shaped images resolve to the same cache entry. No authentication or user interaction is required; a crafted multimodal request causes reuse of an embedding generated for a different image shape.
Summary
What happened
Cache-key collision in NVIDIA Dynamo 1.1.0 and earlier allows remote attackers to tamper with multimodal embeddings via crafted images. The multimodal embedding cache hashes pixel bytes without incorporating image dimensions, so differently shaped images resolve to the same cache entry. No authentication or user interaction is required; a crafted multimodal request causes reuse of an embedding generated for a different image shape.
The record
- CVE
- CVE-2026-24255
- Published
- Aug 4, 2026
- Updated
- Aug 4, 2026
- Vendor
- DPDK Project
- Product
- NVIDIA Dynamo
- Classifications
- CWE-1023, T1565.001
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Aug 4, 2026CVE publishedPublication date reported by the CVE source.
- Aug 4, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
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- Affected versionversion=0 to v1.1.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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