Critical severity9.8NVD Advisory· Published Feb 25, 2026· Updated Jun 17, 2026
CVE-2026-27744
CVE-2026-27744
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.
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Affected products
4- SPIP/ticketsv5Range: 0
Patches
Vulnerability mechanics
References
5- git.spip.net/spip-contrib-extensions/tickets/-/commit/869935b6687822ed79ad5477626a664d8ea6dcf7nvdPatch
- chocapikk.com/posts/2026/spip-plugins-vulnerabilities/nvdThird Party Advisory
- www.vulncheck.com/advisories/spip-tickets-unauthenticated-rcenvdThird Party Advisory
- blog.spip.net/Mise-a-jour-de-securite-sortie-de-SPIP-4-4-10.htmlnvdRelease Notes
- plugins.spip.net/ticketsnvdProduct
News mentions
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