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Vulnerability record · CVE-2026-27744 · published 25 February 2026

CVE-2026-27744: Spip tickets code injection vulnerability

Spip · Tickets

The SPIP tickets plugin versions prior to 4.3.3 contain an unauthenticated remote code execution vulnerability in the forum preview handling for public ticket pages. The plugin appends untrusted request parameters into HTML that is later rendered by a template using unfiltered environment rendering (#ENV**), which disables SPIP output filtering. As a result, an unauthenticated attacker can inject crafted content that is evaluated through SPIP's template processing chain, leading to execution of code in the context of the web server.

9.3 CVSS 4.0 Critical EPSS 1.4% · top 29.5% CWE-94 · Code injection
9.3CVSS 4.0 base score
1.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References
17 Jun 2026Last modified by NVD

Description

The SPIP tickets plugin versions prior to 4.3.3 contain an unauthenticated remote code execution vulnerability in the forum preview handling for public ticket pages. The plugin appends untrusted request parameters into HTML that is later rendered by a template using unfiltered environment rendering (#ENV**), which disables SPIP output filtering. As a result, an unauthenticated attacker can inject crafted content that is evaluated through SPIP's template processing chain, leading to execution of code in the context of the web server.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-10.html Release Notes
https://chocapikk.com/posts/2026/spip-plugins-vulnerabilities/ Third Party Advisory
https://git.spip.net/spip-contrib-extensions/tickets/-/commit/869935b6687822ed79ad5477626a664d8ea6dcf7 Patch
https://plugins.spip.net/tickets Product
https://www.vulncheck.com/advisories/spip-tickets-unauthenticated-rce Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-27744), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.