CVE-2026-26027 GLPI has an Unauthenticated Stored XSS via inventory
Unauthenticated attackers can inject malicious scripts via the inventory endpoint, potentially leading to session hijacking or code execution in GLPI.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-26027?
CVE-2026-26027 is a high-severity cross-site scripting vulnerability in Glpi-Project Glpi, published on 6 Apr 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
GLPI is a free asset and IT management software package. From 11.0.0 to before 11.0.6, an unauthenticated user can store an XSS payload through the inventory endpoint. This vulnerability is fixed in 11.0.6.
Which versions are affected by CVE-2026-26027?
It affects 1 product.
Products include Glpi-Project Glpi.
How do I fix CVE-2026-26027?
No fix has been published for CVE-2026-26027 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-26027 being exploited?
There is no known exploitation of CVE-2026-26027 in the wild and no public exploit code.
Other vulnerabilities in Glpi-Project Glpi
- CVE-2022-35914 Teclib GLPI Remote Code Execution
- CVE-2023-42802 GLPI vulnerable to unallowed PHP script execution
- CVE-2023-28849 GLPI vulnerable to SQL injection and Stored XSS via inventory agent request
- CVE-2022-35947 SQL injection in GLPI
- CVE-2022-31056 SQL injection with _actor parameter in GLPI
Sources
Also known as GHSA-chch-wcm9-f9cp, UBUNTU-CVE-2026-26027.