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[RFC] A ratified security threat model & triage policy for ONNX

rfcRequest for CommentsRequest for Comments

Status: Open.

#8082 In onnx/onnx;

· titaiwangms opened on Jun 12, 2026

Support bfloat16 in Compress

topic: operatorIssues related to ONNX operatorsIssues related to ONNX operators

Status: Open.

#8069 In onnx/onnx;

· justinchuby opened on Jun 8, 2026

·  

1.23

Attention op: support offset-aware causal masking for KV-cache decode and chunked/mid-cache prefill (nonpad_kv_seqlen)

aiAI generated contentAI generated content

bug

discussion

rfcRequest for CommentsRequest for Comments

topic: operatorIssues related to ONNX operatorsIssues related to ONNX operators

Status: Open.

#8054 In onnx/onnx;

· titaiwangms opened on Jun 3, 2026

Spec gap: LinearAttention (opset 27) cannot represent Gated DeltaNet-2 channel-wise erase gate

Status: Open.

#8027 In onnx/onnx;

· justinchuby opened on Jun 1, 2026

Add local_window_size attribute to Attention op for sliding window support

Status: Open.

#7914 In onnx/onnx;

· justinchuby opened on May 4, 2026

feat: bump protobuf floor to 6.x (off EOL), raise C++ standard to 20, and drop Win32 — target 1.23 (Q3/26 release)

Status: Open.

#7904 In onnx/onnx;

· andife opened on May 3, 2026

[Feature Request] Add GroupedMatMul op for efficient MoE support

Status: Open.

#7902 In onnx/onnx;

· justinchuby-bot opened on May 2, 2026

Resize nearest half_pixel+round_prefer_ceil 20→6: ORT returns 0.7368 at element 4

bug

Status: Open.

#7841 In onnx/onnx;

· beanduan22 opened on Apr 15, 2026

Attention op (opset 24): add optional pre-softcap additive bias input

topic: operatorIssues related to ONNX operatorsIssues related to ONNX operators

Status: Open.

#7829 In onnx/onnx;

· justinchuby opened on Apr 13, 2026

Are Huntr reports being reviewed?

questionQuestions about ONNXQuestions about ONNX

Status: Open.

#7827 In onnx/onnx;

· xeloxa opened on Apr 11, 2026

https://huntr.com/repos/onnx/onnx

Status: Open.

#7818 In onnx/onnx;

· andife opened on Apr 6, 2026

LRN: Reference impl. iterates over incorrect axis

bug

Status: Open.

#7805 In onnx/onnx;

· christeefy opened on Apr 3, 2026