LOWCVSS v3.1 3.7Vulnerability
CVE-2026-118691
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.
Properties
- Severity
- LOW
- Nvd fetched at
- 2026-10-28T23:43:43.157973+00:00
- Cvss severity
- LOW
- Cvss score
- 3.7
- Retrieved at
- 2026-10-28T23:44:40+00:00
- Score
- 3.7
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-118691
- Cvss vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- First seen by Signal
- 2026-10-28T23:44:40+00:00
- Vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- Published at
- 2026-10-28T22:17:13.217
- Last modified
- 2026-10-28T22:17:13.217
Related Entities (1)
HAS_WEAKNESS (1)
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