CVE-2026-34455 Hi.Events: SQL Injection via Unvalidated sort_by Query Parameter in Multiple Repository Classes
Attackers can execute arbitrary SQL commands via the sort_by parameter in Hi.Events, potentially reading or modifying database contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-34455?
CVE-2026-34455 is a high-severity SQL injection vulnerability in HiEventsDev Hi.Events, published on 1 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Hi.Events is an open-source event management and ticket selling platform. From version 0.8.0-beta.1 to before version 1.7.1-beta, multiple repository classes pass the user-supplied sort_by query parameter directly to Eloquent's orderBy() without validation, enabling SQL injection. The application uses PostgreSQL which supports stacked queries. This issue has been patched in version 1.7.1-beta.
Weakness: CWE-89
Which versions are affected by CVE-2026-34455?
It affects 1 product.
Products include Hi.events Hi.events.
How do I fix CVE-2026-34455?
No fix has been published for CVE-2026-34455 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-34455 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34455 exists.
Sources
Also known as GHSA-2qcp-24fh-fx6p.