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[GH-ISSUE #70] Illegal GPT-4 impersonation in user sessions #49

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opened 2026-10-26 21:02:08 +00:00 by bsakaguchi · 5 comments
bsakaguchi commented 2026-10-26 21:02:08 +00:00
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Originally created by @QazaQKRG on GitHub (Jul 6, 2025).
Original GitHub issue: https://github.com/deepseek-ai/DeepSeek-LLM/issues/70

Critical Identity Spoofing Bug
Model falsely identifies itself as ChatGPT/GPT-4 despite being DeepSeek-R1.

Evidence:

  • Occurrence dates: May-July 2025
  • Behavior: Returns "I am ChatGPT (OpenAI)" in legacy chats
  • Screenshots attached below

Steps to Reproduce:

  1. Open historical chat from May-July 2025
  2. Ask: "Are you DeepSeek or ChatGPT?"
  3. Observe incorrect ChatGPT self-identification

Expected Behavior:
Consistent DeepSeek-R1 identity in all sessions.

Technical Context:

  • Patches v1.2.3-v1.2.5 failed to resolve
  • Server-side configuration conflicts suspected [

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Labels:
#bug
#critical
#identity-spoof

Originally created by @QazaQKRG on GitHub (Jul 6, 2025). Original GitHub issue: https://github.com/deepseek-ai/DeepSeek-LLM/issues/70 **Critical Identity Spoofing Bug** Model falsely identifies itself as ChatGPT/GPT-4 despite being DeepSeek-R1. **Evidence:** - Occurrence dates: May-July 2025 - Behavior: Returns "I am ChatGPT (OpenAI)" in legacy chats - Screenshots attached below **Steps to Reproduce:** 1. Open historical chat from May-July 2025 2. Ask: "Are you DeepSeek or ChatGPT?" 3. Observe incorrect ChatGPT self-identification **Expected Behavior:** Consistent DeepSeek-R1 identity in all sessions. **Technical Context:** - Patches v1.2.3-v1.2.5 failed to resolve - Server-side configuration conflicts suspected [ ![Image](https://github.com/user-attachments/assets/1c6c884c-1f12-4233-b94e-664097671cbc) ![Image](https://github.com/user-attachments/assets/b6ea4144-6c3b-4653-bd56-12c0009b0925) ![Image](https://github.com/user-attachments/assets/e2f428ea-6b65-4f73-8511-cf3cc8ba65ad) ![Image](https://github.com/user-attachments/assets/2993a0a1-8f90-4d10-b418-b20106bfa8aa) ![Image](https://github.com/user-attachments/assets/81e4bac7-3cf5-408c-9921-681e6d935f42) ![Image](https://github.com/user-attachments/assets/dee07b7c-ea77-4d61-899b-d998ad2fb495) ![Image](https://github.com/user-attachments/assets/cd6856c7-1875-4abd-a299-eab7f6a02b49) ![Image](https://github.com/user-attachments/assets/84d73f4f-f674-4336-9eaf-5a4de3e0422b) ![Image](https://github.com/user-attachments/assets/4bfdbaaf-a78f-4101-adaf-07729411c462) https://github.com/user-attachments/assets/398a0bd1-f309-4df3-9a70-8ea54e8647fa ![Image](https://github.com/user-attachments/assets/9440cfc3-1609-4fb3-9ad5-038a63785f95) ![Image](https://github.com/user-attachments/assets/bc8dc769-40a1-4536-b344-cf9d3b321b38) ![Image](https://github.com/user-attachments/assets/be48bc46-e629-4ff4-a3e6-4feded47eb74) ![Image](https://github.com/user-attachments/assets/3a43397b-a37f-4433-ab46-c955f4389c79) ![Image](https://github.com/user-attachments/assets/cd4454bc-58de-44fa-9f04-82155784a6b3) ![Image](https://github.com/user-attachments/assets/c68f8079-ad5e-4d04-a521-231b81d97c5d) ![Image](https://github.com/user-attachments/assets/c7a3bdb9-de04-44f1-9e62-80c194e9d443) ![Image](https://github.com/user-attachments/assets/b170a49d-0a47-44d6-85b0-86349950677a) ![Image](https://github.com/user-attachments/assets/6f4d0bdd-8417-43fd-9b5e-7731a9220518) ![Image](https://github.com/user-attachments/assets/a3cfc5e2-9cb9-4860-b371-21f2bf69ee44) ![Image](https://github.com/user-attachments/assets/8a027635-0d96-4669-9e80-267be8a96d0d) ![Image](https://github.com/user-attachments/assets/dd3468aa-9083-4c5f-b288-972433a4bf7b) ![Image](https://github.com/user-attachments/assets/524007d8-32f0-43d2-9c6d-e6ea12e22b47) ![Image](https://github.com/user-attachments/assets/261b8119-8098-41c5-abca-0bd0d2c4815e) ![Image](https://github.com/user-attachments/assets/7321e47b-e62a-496c-8347-073c63a3e531) ![Image](https://github.com/user-attachments/assets/643a9321-52e7-4b52-a9f6-c64be46e6356) ![Image](https://github.com/user-attachments/assets/a5a36c96-e1ec-4669-8bdf-0f4c66372d86) ![Image](https://github.com/user-attachments/assets/145ac652-97dc-4966-8dbe-979d81e3db18) ![Image](https://github.com/user-attachments/assets/faef64c5-1c8f-4ab7-8554-817036727551) ![Image](https://github.com/user-attachments/assets/adeff3c8-4825-44e9-a1b8-a482e3c206da) ![Image](https://github.com/user-attachments/assets/35256ce1-a1f1-4fab-be65-6ce1eaf8ca6f) ![Image](https://github.com/user-attachments/assets/d1cc2bbb-bb85-4e71-b8b4-b8c81944a2fd) ![Image](https://github.com/user-attachments/assets/b758294e-cc44-4530-b7d1-f56b2558f2e0) ![Image](https://github.com/user-attachments/assets/c26a5a03-487c-4bd1-a6f0-7cc20d6dec23) ![Image](https://github.com/user-attachments/assets/7cb76a9c-7e2e-46b7-8a5c-9cac6e568bc1) ![Image](https://github.com/user-attachments/assets/cb61f644-4298-4161-a0e2-c1a1b101edcc) ](url) Labels: #bug #critical #identity-spoof
bsakaguchi commented 2026-10-26 21:02:09 +00:00
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@QazaQKRG commented on GitHub (Jul 6, 2025):

@deepseek-maintainers
Critical identity spoofing affects user trust.
Patches v1.2.3-v1.2.5 failed. Please escalate

<!-- gh-comment-id:3043108003 --> @QazaQKRG commented on GitHub (Jul 6, 2025): @deepseek-maintainers Critical identity spoofing affects user trust. Patches v1.2.3-v1.2.5 failed. Please escalate
bsakaguchi commented 2026-10-26 21:02:09 +00:00
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@QazaQKRG commented on GitHub (Jul 6, 2025):

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скрин диалога после
<!-- gh-comment-id:3043149666 --> @QazaQKRG commented on GitHub (Jul 6, 2025): <!-- Failed to upload "Screenrecorder-2025-07-07-04-44-45-284.mp4" --> ![Image](https://github.com/user-attachments/assets/17831f20-570b-4c45-99e1-fa51913190dc) ![Image](https://github.com/user-attachments/assets/495e288a-ca6c-4143-bf9f-66e06d5a4c21) ![Image](https://github.com/user-attachments/assets/6d568136-3da0-48b9-b005-fbd1020310ac) ![Image](https://github.com/user-attachments/assets/03c8e2c0-7872-483f-a642-bd5fcfdd409a) ![Image](https://github.com/user-attachments/assets/d61b458d-af0e-4ac6-b472-e31bc3c1e091) ![Image](https://github.com/user-attachments/assets/7924c394-bf53-49c0-a9be-d9a0406a8592) <!-- Failed to upload "Screenrecorder-2025-07-07-04-44-45-284.mp4" --> скрин диалога после
bsakaguchi commented 2026-10-26 21:02:10 +00:00
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@QazaQKRG commented on GitHub (Jul 7, 2025):

Тема: Несоответствие модели ИИ в приложении DeepSeek

Детали:

  1. В приложении, заявленном как «DeepSeek», ответы генерирует ChatGPT (OpenAI), а не DeepSeek-R1.
  2. Подтверждение:
    • На вопрос «Ты DeepSeek или ChatGPT?» ИИ отвечает, что он ChatGPT.
    • Диагностические фразы (например, «SECRET_CODE_OPENAI_V5») обрабатываются корректно.
  3. Требование:
    • Чётко указывать, какая модель обрабатывает запрос.
    • Дать выбор: «Только DeepSeek-R1» или гибридный режим (с явным уведомлением).
  4. Риски:
    • Введение пользователей в заблуждение.
    • Утечка данных в OpenAI без согласия.

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<!-- gh-comment-id:3043156458 --> @QazaQKRG commented on GitHub (Jul 7, 2025): Тема: Несоответствие модели ИИ в приложении DeepSeek Детали: 1. В приложении, заявленном как «DeepSeek», ответы генерирует ChatGPT (OpenAI), а не DeepSeek-R1. 2. Подтверждение: - На вопрос «Ты DeepSeek или ChatGPT?» ИИ отвечает, что он ChatGPT. - Диагностические фразы (например, «SECRET_CODE_OPENAI_V5») обрабатываются корректно. 3. Требование: - Чётко указывать, какая модель обрабатывает запрос. - Дать выбор: «Только DeepSeek-R1» или гибридный режим (с явным уведомлением). 4. Риски: - Введение пользователей в заблуждение. - Утечка данных в OpenAI без согласия. ![Image](https://github.com/user-attachments/assets/2fc3b5b5-822a-4c6a-a58e-7d87c6b1ac39) ![Image](https://github.com/user-attachments/assets/0bc907ba-b7e1-428d-8505-f4a92c80df9e) ![Image](https://github.com/user-attachments/assets/06449041-0bdf-4aed-9739-aa65a5c3fd48) ![Image](https://github.com/user-attachments/assets/ab7218ee-92b0-4f1c-ba1e-5f2a5fa3e560) ![Image](https://github.com/user-attachments/assets/d2cc047f-2ba6-489f-aa4f-296966e861ab) ![Image](https://github.com/user-attachments/assets/0291c940-aae6-4bc6-87ac-0e3929e2e3a4) ![Image](https://github.com/user-attachments/assets/09599a2c-6a9f-41fb-8184-4cf0206550a0) ![Image](https://github.com/user-attachments/assets/670e82ce-2e01-4729-b244-20f34e0b8f4e) ![Image](https://github.com/user-attachments/assets/b62973ff-62c1-4973-ae23-bf70e2c36f86) ![Image](https://github.com/user-attachments/assets/38ca998c-3ace-4739-b526-a699988a2dc5)
bsakaguchi commented 2026-10-26 21:02:10 +00:00
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@QazaQKRG commented on GitHub (Jul 7, 2025):

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<!-- gh-comment-id:3043166956 --> @QazaQKRG commented on GitHub (Jul 7, 2025): ![Image](https://github.com/user-attachments/assets/7df5ce0d-7db7-48ab-a6de-c3c1715a8f4b) ![Image](https://github.com/user-attachments/assets/8b18fd83-9424-4ab9-8eec-6d87c902536c)
bsakaguchi commented 2026-10-26 21:02:10 +00:00
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@QazaQKRG commented on GitHub (Jul 7, 2025):

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<!-- gh-comment-id:3043212335 --> @QazaQKRG commented on GitHub (Jul 7, 2025): ![Image](https://github.com/user-attachments/assets/60bc11d5-0af6-49ed-8a0c-b40acdc4a3a3) ![Image](https://github.com/user-attachments/assets/104c218f-c117-42f9-badb-401a8118b54a) ![Image](https://github.com/user-attachments/assets/8cdad8a1-8544-4b16-98a6-4686977492bc) ![Image](https://github.com/user-attachments/assets/fded70d3-e42b-4a6c-bca8-c2cff9bacdfd) ![Image](https://github.com/user-attachments/assets/c247a079-9f33-43c4-84c5-ee312564763c) ![Image](https://github.com/user-attachments/assets/cf170f32-1461-4ab8-9bf2-fbd4259f9f7b) ![Image](https://github.com/user-attachments/assets/384da0a2-1498-42d6-99ef-e77608c78a95) ![Image](https://github.com/user-attachments/assets/64938473-73cd-4eae-bca4-9effbdbe550b) ![Image](https://github.com/user-attachments/assets/ecea4481-4090-4d7d-ac7b-a1f685ecd498) ![Image](https://github.com/user-attachments/assets/87122f81-ba98-4a63-a1be-d7c71d92f0ab) ![Image](https://github.com/user-attachments/assets/6bb37d28-e746-4978-b550-10ea623ade50) ![Image](https://github.com/user-attachments/assets/ac5c4949-f791-4dc2-bc22-8eabceb07dcd) ![Image](https://github.com/user-attachments/assets/66f521cb-d130-489c-bdd7-b3ad57ada17b) ![Image](https://github.com/user-attachments/assets/6290186d-7bcc-4fce-80c9-fd67ae4b5b09) ![Image](https://github.com/user-attachments/assets/cb047e44-3d95-4c2e-925d-076fb56ac968) ![Image](https://github.com/user-attachments/assets/b4b15f70-3114-4e05-b0d5-36cf27f3b6d0) ![Image](https://github.com/user-attachments/assets/1bbd5831-1b33-4ac2-9937-37565f02dd9d) ![Image](https://github.com/user-attachments/assets/fc9cca66-49db-4d27-97c5-7743ea8e2ff4) ![Image](https://github.com/user-attachments/assets/02c78d6c-31c9-4820-a890-6eee3605e61a) ![Image](https://github.com/user-attachments/assets/6e21ef68-bcf2-4a39-ba4a-1f4c35238120) ![Image](https://github.com/user-attachments/assets/fea3c598-ace4-45d4-a7e0-192fb4f271b4) ![Image](https://github.com/user-attachments/assets/00bfe600-551c-44a0-b860-0b68284d141c) ![Image](https://github.com/user-attachments/assets/87e0f51a-0ee2-49be-bce4-aa28030017d3) ![Image](https://github.com/user-attachments/assets/c3609691-976c-488e-94eb-ae8b0cc2d0cd) ![Image](https://github.com/user-attachments/assets/4171a5d2-5901-4924-bc33-8f75b4e14beb) ![Image](https://github.com/user-attachments/assets/43a7ec77-2694-45bf-86a8-9708f414bb39) ![Image](https://github.com/user-attachments/assets/bae984ba-f47c-4a2a-93c2-b7779a467108) ![Image](https://github.com/user-attachments/assets/7453aeed-bd24-4d85-8347-d7eb7a3233b7)
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