CVE-2026-116820— YesWiki from 4.6.0 before 4.7.0 SQL Query Disclosure via showreq Parameter

Quick assessment

Affected

YesWiki yeswiki

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

YesWiki 在 4.6.0 至 4.7.0（不含）版本中存在信息泄露漏洞。未认证的攻击者可通过添加参数查看已组装的 SQL 查询语句。攻击者可在面向公众的 Bazar 列表 API 请求末尾附加参数，从而获取表名、JSON 存储路径、ACL（访问控制列表）过滤逻辑以及字符排序规则（collation），进而辅助实施针对性的 SQL 注入攻击。

CVSS 5.3 · Medium Updated Oct 27, 2026

Possible ATT&CK Techniques 3 AI

T1190 · Exploit Public-Facing Application T1082 · System Information Discovery T1040 · Network Sniffing

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Vulnerability Information

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Vulnerability Title

YesWiki from 4.6.0 before 4.7.0 SQL Query Disclosure via showreq Parameter

Source: CVE Program / CVE List V5

Vulnerability Description

YesWiki from 4.6.0 before 4.7.0 contains an information disclosure vulnerability that allows unauthenticated attackers to view assembled SQL queries by adding the showreq parameter. Attackers can append showreq to public Bazar listing API requests to obtain table names, JSON storage paths, ACL filter logic, and collation, aiding targeted SQL injection.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Source: CVE Program / CVE List V5

Vulnerability Type

通过Debug信息导致的信息暴露

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
YesWiki	yeswiki	4.6.0 ~ 4.7.0	-

II. Public POCs for CVE-2026-116820

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

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III. Intelligence Information for CVE-2026-116820

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Other References for CVE-2026-116820 (2)

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-98mc-h829-5hwm vendor-advisory
https://www.vulncheck.com/advisories/yeswiki-from-4.6.0-before-4.7.0-sql-query-disclosure-via-showreq-parameter third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-116820

Same Patch Batch · YesWiki · 2026-10-26 · 9 CVEs total

CVE-2026-116827	6.8 MEDIUM	YesWiki before 4.7.0 SSRF via copyUrlToLocalFile in Bazar CSV Import
CVE-2026-116826	6.8 MEDIUM	YesWiki before 4.7.0 Authenticated SSRF via Page Duplication API downloadFile
CVE-2026-116821	6.5 MEDIUM	YesWiki before 4.7.0 Read-ACL Bypass via SQL LIKE Wildcards in Usernames
CVE-2026-116825	6.5 MEDIUM	YesWiki from 4.6.2 before 4.7.0 HTTP Signature Replay via ActivityPub Inbox
CVE-2026-116823	6.1 MEDIUM	YesWiki before 4.7.0 Reflected XSS via BazarField $_REQUEST Fallback
CVE-2026-116824	6.1 MEDIUM	YesWiki before 4.7.0 Stored XSS via Referer Header in referrers_sites Handler
CVE-2026-116822	5.3 MEDIUM	YesWiki before 4.7.0 Template Traversal via BazarListeAction template Parameter
CVE-2026-116828	4.9 MEDIUM	YesWiki before 4.7.0 SQL Injection via despam.php INTERVAL operand

IV. Related Vulnerabilities

Same product: yeswiki

Same vendor: YesWiki

Same weakness: CWE-215