CVE-2026-70660
What it is
stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. Prior to master-764-e22272e, the safetensors loader in src/model_io/safetensors_io.cpp trusts each tensor's data_offsets after checking only that nbytes equals end - begin. A crafted .safetensors file can declare a byte range beyond the file's data section, causing src/model_loader.cpp to consume an attacker-chosen length from an unchecked mapped-file offset. Loading the model can read adjacent process memory into tensor buffers or crash the process. This issue is fixed in master-764-e22272e.
At a glance
- Exploitability
- Can be exploited locally on the machine without logging in, but needs a user to act. High risk of data exposure, service disruption.
- Exploit odds
- 0.1% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.1% in the next 30 days (EPSS).
- Severity: 6.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.1% · EPSS, next 30 days
- Weakness
- CWE-125 · Out-of-bounds read
- Record status
- Received
Attack profile CVSS 4.0 · 6.9
- Attack vector
- Local
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- Passive
- Confidentiality
- High
- Integrity
- None
- Availability
- High
Raw vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-70660.md and follow it. Check whether this project is affected by CVE-2026-70660. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://github.com/leejet/stable-diffusion.cpp/commit/e22272ee631b742dab4440c18eb8fcafb0689402
- https://github.com/leejet/stable-diffusion.cpp/pull/1754
- https://github.com/leejet/stable-diffusion.cpp/releases/tag/master-764-e22272e
- https://github.com/leejet/stable-diffusion.cpp/security/advisories/GHSA-v2m4-h57v-fr6w
- https://github.com/leejet/stable-diffusion.cpp/security/advisories/GHSA-v2m4-h57v-fr6w
References
- https://github.com/leejet/stable-diffusion.cpp/commit/e22272ee631b742dab4440c18eb8fcafb0689402
- https://github.com/leejet/stable-diffusion.cpp/pull/1754
- https://github.com/leejet/stable-diffusion.cpp/releases/tag/master-764-e22272e
- https://github.com/leejet/stable-diffusion.cpp/security/advisories/GHSA-v2m4-h57v-fr6w
- https://github.com/leejet/stable-diffusion.cpp/security/advisories/GHSA-v2m4-h57v-fr6w