GHSA-jwvv-qr7q-cv8j: yeswiki/yeswiki (CVE-2026-46670)

YesWiki: Unauthenticated SQL Injection

CVSS 9.8 CriticalCriticalEPSS 0.020 · 81st percentile

Critical, because:

CVSS score 9.8: 9.0 or more.

Published by the GitHub Advisory Database at 22 May 2026, 15:39 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

Package	Ecosystem	Affected	Fixed in
yeswiki/yeswiki	Packagist	<4.6.4	4.6.4

Identifiers

GHSA-jwvv-qr7q-cv8j · CVE-2026-46670 · PKSA-2myt-jw5p-f7jn

Weakness (CWE)

CWE-89

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

GHSA-jwvv-qr7q-cv8j affects the Packagist package yeswiki/yeswiki in versions below 4.6.4, with 4.6.4 as the fixed release. The source describes an unauthenticated SQL injection in the Bazar form-import path (FormManager::create()), where form input is concatenated unquoted into an INSERT statement. Any unauthenticated visitor of a default install could use it to read database contents, including user password hashes. Upgrade to YesWiki 4.6.4 or later.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
9.8	Critical	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	CNA (GitHub_M)

CISA KEV Not listed.
EPSS 0.020, the 81st percentile, on 15 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

31 Oct 2026, 13:58 UTC First seen by agentprime
31 Oct 2026, 13:58 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.