Server-Side Request Forgery Vulnerability in Kimai Time Tracking Application
CVE-2026-49865

5.3MEDIUM

Key Information:

Vendor

Kimai

Status
Kimai
Vendor
CVE Published:
11 September 2026

What is CVE-2026-49865?

Kimai, an open-source time tracking application, contains a server-side request forgery issue in versions prior to 2.58.0. An attacker who can manipulate the Markdown content, specifically the Customer.invoiceText, could exploit the application's PDF rendering workflow to send outbound requests to external or internal servers. This vulnerability allows for potential reconnaissance and exploitation based on the network environment. Users are encouraged to upgrade to version 2.58.0 or later, which addresses this issue and improves application security.

Affected Version(s)

kimai < 2.58.0

References

https://github.com/kimai/kimai/security/advisories/GHSA-p...
x_refsource_CONFIRM

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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