Medium 6.8Published Oct 26, 2026

CVE-2026-116827YesWiki before 4.7.0 SSRF via copyUrlToLocalFile in Bazar CSV Import

Updated under an hour ago (Oct 29, 2026, 7:50 AM ET)

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Every CVE for yeswiki

Exploited in the last 30 days

YesWiki before 4.7.0 contains a server-side request forgery vulnerability in the Bazar CSV import copyUrlToLocalFile() function that allows authenticated administrators to make arbitrary outbound requests by supplying crafted URLs in CSV file or image fields. Attackers can bypass the extension check with a query-string suffix or redirects to fetch cloud metadata credentials, internal services, or local files via file://, with responses stored in the web-accessible files/ directory.

CVSS: 6.8 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 26, 2026

Affected products

Affected products

YesWiki yeswiki yeswiki:yeswiki (from the name)	before 4.7.0; 4.7.0 not affected	CNA record

References

References

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v38g-qc7g-q3mq	vendor-advisory
https://www.vulncheck.com/advisories/yeswiki-before-4.7.0-ssrf-via-copyurltolocalfile-in-bazar-csv-import	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.