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JS Prompt Injection - Add some more sinks and reclassify legacy API #22012

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JS Prompt Injection - Add some more sinks and reclassify legacy API #22012

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JS: Add and reclassify prompt-injection sinks for AI SDKs
BazookaMusic Jun 18, 2026
38435fc
Merge branch 'main' into bazookamusic/js-prompt-injection-sinks
BazookaMusic Jun 19, 2026
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5 changes: 5 additions & 0 deletions javascript/ql/lib/change-notes/2026-06-18-prompt-injection-sinks.md
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@@ -0,0 +1,5 @@
---
category: minorAnalysis
---
* Added more prompt-injection sinks for the OpenAI, Anthropic, and Google GenAI SDKs: OpenAI `videos.create`/`edit`/`extend`/`remix` (Sora) prompts and `beta.realtime.sessions.create` instructions, Anthropic legacy `completions.create` prompts, and Google GenAI `caches.create` cached contents and system instructions.
* The OpenAI legacy `completions.create` prompt is now treated as a user-prompt-injection sink instead of a system-prompt-injection sink, since the legacy `/v1/completions` endpoint takes a single free-form prompt with no role separation.
1 change: 1 addition & 0 deletions javascript/ql/lib/ext/anthropic.model.yml
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Expand Up @@ -10,6 +10,7 @@ extensions:
extensible: sinkModel
data:
- ["anthropic.Client", "Member[messages].Member[create].Argument[0].Member[system]", "system-prompt-injection"]
- ["anthropic.Client", "Member[completions].Member[create].Argument[0].Member[prompt]", "user-prompt-injection"]
- ["anthropic.Client", "Member[messages].Member[create].Argument[0].Member[system].ArrayElement.Member[text]", "system-prompt-injection"]
- ["anthropic.Client", "Member[beta].Member[messages].Member[create].Argument[0].Member[system]", "system-prompt-injection"]
- ["anthropic.Client", "Member[beta].Member[messages].Member[create].Argument[0].Member[system].ArrayElement.Member[text]", "system-prompt-injection"]
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2 changes: 2 additions & 0 deletions javascript/ql/lib/ext/google-genai.model.yml
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Expand Up @@ -13,10 +13,12 @@ extensions:
- ["google-genai.Client", "Member[chats].Member[create].Argument[0].Member[config].Member[systemInstruction]", "system-prompt-injection"]
- ["google-genai.Client", "Member[chats].Member[create].ReturnValue.Member[sendMessage].Argument[0].Member[config].Member[systemInstruction]", "system-prompt-injection"]
- ["google-genai.Client", "Member[live].Member[connect].Argument[0].Member[config].Member[systemInstruction]", "system-prompt-injection"]
- ["google-genai.Client", "Member[caches].Member[create].Argument[0].Member[config].Member[systemInstruction]", "system-prompt-injection"]
- ["google-genai.Client", "Member[models].Member[generateContent,generateContentStream].Argument[0].Member[contents]", "user-prompt-injection"]
- ["google-genai.Client", "Member[models].Member[generateImages].Argument[0].Member[prompt]", "user-prompt-injection"]
- ["google-genai.Client", "Member[models].Member[editImage].Argument[0].Member[prompt]", "user-prompt-injection"]
- ["google-genai.Client", "Member[models].Member[generateVideos].Argument[0].Member[prompt]", "user-prompt-injection"]
- ["google-genai.Client", "Member[chats].Member[create].ReturnValue.Member[sendMessage,sendMessageStream].Argument[0].Member[message]", "user-prompt-injection"]
- ["google-genai.Client", "Member[chats].Member[create].ReturnValue.Member[sendMessage,sendMessageStream].Argument[0].Member[content]", "user-prompt-injection"]
- ["google-genai.Client", "Member[interactions].Member[create].Argument[0].Member[input]", "user-prompt-injection"]
- ["google-genai.Client", "Member[caches].Member[create].Argument[0].Member[config].Member[contents]", "user-prompt-injection"]
4 changes: 3 additions & 1 deletion javascript/ql/lib/ext/openai.model.yml
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Expand Up @@ -12,7 +12,7 @@ extensions:
extensible: sinkModel
data:
- ["openai.Client", "Member[responses].Member[create].Argument[0].Member[instructions]", "system-prompt-injection"]
- ["openai.Client", "Member[completions].Member[create].Argument[0].Member[prompt]", "system-prompt-injection"]
- ["openai.Client", "Member[beta].Member[realtime].Member[sessions].Member[create].Argument[0].Member[instructions]", "system-prompt-injection"]
- ["openai.Client", "Member[beta].Member[assistants].Member[create].Argument[0].Member[instructions]", "system-prompt-injection"]
- ["openai.Client", "Member[beta].Member[assistants].Member[update].Argument[1].Member[instructions]", "system-prompt-injection"]
- ["openai.Client", "Member[beta].Member[threads].Member[runs].Member[create].Argument[1].Member[instructions,additional_instructions]", "system-prompt-injection"]
Expand All @@ -25,3 +25,5 @@ extensions:
- ["@openai/guardrails", "Member[GuardrailAgent].Member[create].Argument[2]", "system-prompt-injection"]
- ["@openai/agents", "Member[run].Argument[1]", "user-prompt-injection"]
- ["@openai/agents", "Member[Runner].Instance.Member[run].Argument[1]", "user-prompt-injection"]
- ["openai.Client", "Member[videos].Member[create,edit,extend].Argument[0].Member[prompt]", "user-prompt-injection"]
- ["openai.Client", "Member[videos].Member[remix].Argument[1].Member[prompt]", "user-prompt-injection"]
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