xianyu-auto-reply-fix through 2.0.7 contains a missing authorization vulnerability in the POST /send-message endpoint that allows unauthenticated attackers to send messages from other users' accounts using publicly known default API secrets. Attackers can supply the hard-coded api_key and another user's cookie_id, plus chosen chat_id, to_user_id and message values, to send arbitrary Xianyu messages to buyers from that merchant account.
Metrics
Affected Vendors & Products
References
History
Tue, 03 Nov 2026 17:30:00 +0000
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ssvc
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Thu, 29 Oct 2026 13:00:00 +0000
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Gudong2003
Gudong2003 xianyu-auto-reply-fix |
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Gudong2003
Gudong2003 xianyu-auto-reply-fix |
Wed, 28 Oct 2026 21:30:00 +0000
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| Description | xianyu-auto-reply-fix through 2.0.7 contains a missing authorization vulnerability in the POST /send-message endpoint that allows unauthenticated attackers to send messages from other users' accounts using publicly known default API secrets. Attackers can supply the hard-coded api_key and another user's cookie_id, plus chosen chat_id, to_user_id and message values, to send arbitrary Xianyu messages to buyers from that merchant account. | |
| Title | xianyu-auto-reply-fix through 2.0.7 Unauthenticated Message Sending via /send-message | |
| Weaknesses | CWE-1188 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-28T21:11:18.629Z
Updated: 2026-11-03T17:01:21.201Z
Reserved: 2026-10-28T17:31:29.498Z
Link: CVE-2026-118691
Updated: 2026-11-03T17:00:55.171Z
Status : Deferred
Published: 2026-10-28T22:17:13.217
Modified: 2026-11-03T17:17:58.947
Link: CVE-2026-118691
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