SurveyKing 1.12.0 through 1.13.2 Authentication Bypass via saveAnswer Response Submission

Advisories

SurveyKing 1.12.0 through 1.13.2 Authentication Bypass via saveAnswer Response Submission

Severity: medium
Date: 11/13/2026
Affecting: SurveyKing >= 1.12.0, <= 1.13.2
CVE: CVE-2026-129152
CWE: CWE-306 Missing Authentication for Critical Function
CVSS: 6.9
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
References: https://vul.yulun.ac.cn/20261107/surveyking/
https://github.com/javahuang/SurveyKing/issues/92
https://github.com/javahuang/SurveyKing/blob/5de0d05b682ee34244c0b6c07be24eb6358cd8a5/server/rdbms/src/main/java/cn/surveyking/server/impl/AnswerServiceImpl.java#L216-L230
https://github.com/javahuang/SurveyKing/blob/5de0d05b682ee34244c0b6c07be24eb6358cd8a5/server/rdbms/src/main/java/cn/surveyking/server/impl/SurveyServiceImpl.java#L226-L236
Credit: Wu Yulun
Description: SurveyKing 1.12.0 through 1.13.2 contains an authentication bypass vulnerability that allows unauthenticated attackers to submit survey responses because AnswerServiceImpl.saveAnswer skips login-required and survey password checks. Attackers can submit responses to protected surveys and set createBy in the request body to impersonate other users, corrupting survey results.

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