CVE-2026-34455

Name: CVE-2026-34455
Creator: NVD / NIST
Published: 2026-04-01T20:16:25.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.7/10EPSS 0.35%

Last modified Jun 17, 2026

CVE-2026-34455 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

8.7/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/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:X/V:X/RE:X/U:X

EPSS Probability

0.35%

26.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Hi.Events	Hi.Events	>= 0.8.0, < 1.7.1

References

https://github.com/HiEventsDev/Hi.Events/commit/01e1aee28d7249f235fdcca8e3a34e88214dcde9Patch
https://github.com/HiEventsDev/Hi.Events/pull/1128Issue Tracking, Patch
https://github.com/HiEventsDev/Hi.Events/releases/tag/v1.7.1-betaProduct, Release Notes
https://github.com/HiEventsDev/Hi.Events/security/advisories/GHSA-2qcp-24fh-fx6pExploit, Mitigation, Vendor Advisory
https://github.com/HiEventsDev/Hi.Events/security/advisories/GHSA-2qcp-24fh-fx6pExploit, Mitigation, Vendor Advisory

Timeline

Published: Apr 1, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-34455?

How severe is CVE-2026-34455?

CVE-2026-34455 has a CVSS score of 8.7/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.

How do I fix CVE-2026-34455?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-34455?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST