SurveyKing 1.12.0 through 1.13.2 Authorization Bypass via Linked Survey linkSurveyId

Advisories

SurveyKing 1.12.0 through 1.13.2 Authorization Bypass via Linked Survey linkSurveyId

Severity: high
Date: 11/13/2026
Affecting: SurveyKing >= 1.12.0, <= 1.13.2
CVE: CVE-2026-129153
CWE: CWE-639 Authorization Bypass Through User-Controlled Key
CVSS: 7.1
CVSS V4 Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/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/SurveyServiceImpl.java#L435-L470
https://github.com/javahuang/SurveyKing/blob/5de0d05b682ee34244c0b6c07be24eb6358cd8a5/server/rdbms/src/main/java/cn/surveyking/server/impl/AnswerServiceImpl.java#L793-L830
Credit: Wu Yulun
Description: SurveyKing 1.12.0 through 1.13.2 contains an authorization bypass in the linked survey feature that fails to verify the referenced linkSurveyId belongs to the caller's own project. Authenticated attackers can point a linked option at another user's survey so that loadLinkResult and updateLinkSurveyAnswer read, rewrite, or create responses in that survey.

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