TI-2026-71281 Aliases CVE-2026-109378 GHSA-8gmq-ghhj-j4rh

Server-side request forgery in SPIP via HTTP redirects

LOW 24CWE-918Published 2026-10-12 · Updated 2026-10-13

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Information disclosure
Confidentiality · integrity · availability: Low · None · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

SPIP before 4.4.18 contains a server-side request forgery flaw in recuperer_url() in ecrire/inc/distant.php. The function follows up to 10 redirects without re-validating each target, tracked as CWE-918. An authenticated attacker can supply a remote URL that redirects to internal or link-local addresses, including cloud metadata endpoints.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00243 15th percentileScored 2026-11-07

Fix Fixed SPIP (SPIP): 4.4.18

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
SPIP	SPIP	before 4.4.18	4.4.18	Patch available	CNA

SPIP VendorSPIP Affected before 4.4.18 Fixed in 4.4.18 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPE	Versions	Role	Vendor
cpe:2.3:a:spip:spip::::::::	—	—	SPIP

cpe:2.3:a:spip:spip:*:*:*:*:*:*:*:* Versions — — ·SPIP

Remediation

Update SPIP to version 4.4.18 or later.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Fix · CNA SPIP (SPIP) Fixed in 4.4.18

Timeline

2026-10-12 Threatist record created from CVE-2026-109378
2026-10-13 Alias added: GHSA-8gmq-ghhj-j4rh
2026-10-13 CISA SSVC decision points changed

References

Advisory 1

SPIP 4.4.18 security release

Other 1

https://git.spip.net/spip/spip

TI-2023-12107 SPIP before 4.2.1 allows Remote Code Execution via form values in the public area because… CVSS 3.1CRITICAL 9.8
TI-2024-07895 SPIP Bigup Multipart File Upload OS Command Injection CVSS 3.1CRITICAL 9.8
TI-2024-07375 SPIP porte_plume Plugin Arbitrary PHP Execution CVSS 3.1CRITICAL 9.8
TI-2026-50946 SPIP < 4.4.18 RCE via editer_objet.php Job Queue Injection CVSS 4.0CRITICAL 9.3
TI-2026-50945 SPIP < 4.4.18 Missing Authorization via ecrire/action/ CVSS 4.0CRITICAL 9.3
TI-2026-22104 SPIP tickets < 4.3.3 Unauthenticated RCE CVSS 4.0CRITICAL 9.3

See all 87 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences