CVE-2026-23626

MEDIUM

Kimai < 2.46.0 - Authenticated Information Disclosure via Twig Template Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2026-23626. PoCs published by HUSEYNKHANLI.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2026-23626, a Server-Side Template Injection (SSTI) vulnerability in Kimai 2.45.0. The exploit leverages an overly permissive Twig sandbox policy to extract sensitive data such as environment variables, password hashes, and session tokens.

Description

Kimai is a web-based multi-user time-tracking application. Prior to version 2.46.0, Kimai's export functionality uses a Twig sandbox with an overly permissive security policy (`DefaultPolicy`) that allows arbitrary method calls on objects available in the template context. An authenticated user with export permissions can deploy a malicious Twig template that extracts sensitive information including environment variables, all user password hashes, serialized session tokens, and CSRF tokens. Version 2.46.0 patches this issue.

Exploits (1)

github WORKING POC 1 stars
by HUSEYNKHANLI · pythonpoc
https://github.com/HUSEYNKHANLI/CVEs/tree/main/CVE-2026-23626

This repository contains a functional exploit for CVE-2026-23626, a Server-Side Template Injection (SSTI) vulnerability in Kimai 2.45.0. The exploit leverages an overly permissive Twig sandbox policy to extract sensitive data such as environment variables, password hashes, and session tokens.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Kimai 2.45.0
Auth required
Prerequisites: Authenticated access with export permissions · Ability to deploy a malicious Twig template
devstral-2 · analyzed Feb 27, 2026 Full analysis →

Scores

CVSS v3 6.8
EPSS 0.0007
EPSS Percentile 22.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1336
Status published
Products (2)
kimai/kimai < 2.46.0
kimai/kimai 0 - 2.46.0Packagist
Published Jan 18, 2026
Tracked Since Feb 18, 2026