CVE-2026-109378

Medium

Description

SPIP before 4.4.18 contains a server-side request forgery vulnerability in recuperer_url() in ecrire/inc/distant.php that follows up to 10 redirects without re-validating targets with valider_url_distante(). Authenticated attackers can supply a remote URL, such as a syndicated site feed or remote document, that redirects to internal or link-local addresses including cloud metadata endpoints.

SeverityMedium

CVSS4.3

Exploit probability—

Product

SPIP

PublishedOct 12, 2026

First seenOct 12, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update

SPIP SPIP4.4.18 or later

Vendor advisories

blog.spip.net/Mise-a-jour-critique-de-securite-sortie-de-SPIP-4-4-18.html

Affected products

Product	Affected versions	Fixed in
SPIP SPIP	v < 4.4.18	4.4.18

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