CVE-2026-116827

YesWiki before 4.7.0 SSRF via copyUrlToLocalFile in Bazar CSV Import

MEDIUM
6.8
CVSS Score
Published: October 26, 2026 at 11:05 PM UTC
Updated: October 27, 2026 at 12:17 AM UTC
1 product affected across 1 vendorYesWiki

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
Vendor states this is fixed in 4.7.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

6.8MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-918

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