Vulnerability · Published Oct 12, 2026 · Assigned by VulnCheck

CVE-2026-109378SPIP before 4.4.18 SSRF via HTTP Redirects in recuperer_url

Medium 4.3

In plain English

A medium-severity server-side request forgery in SPIP from SPIP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.2%top 84.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Debian:13	spip	4.4.19+dfsg-0+deb13u1	DEBIAN-CVE-2026-109378
Debian:14	spip	4.4.18+dfsg-1	DEBIAN-CVE-2026-109378
Ubuntu:22.04:LTS	spip	no fix listed	UBUNTU-CVE-2026-109378
Ubuntu:24.04:LTS	spip	no fix listed	UBUNTU-CVE-2026-109378
Ubuntu:26.04:LTS	spip	no fix listed	UBUNTU-CVE-2026-109378
Ubuntu:26.10	spip	no fix listed	UBUNTU-CVE-2026-109378

Affected products (as reported)

Vendor	Product	Versions
SPIP	SPIP	0 – before 4.4.18

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

SPIP 4.4.18 security release vendor-advisory, release-notes
https://git.spip.net/spip/spip product
VulnCheck Advisory: SPIP before 4.4.18 SSRF via HTTP Redirects in recuperer_url third-party-advisory