# CVE-2026-5618: Kalcaddle kodbox SSRF in shareMake/shareCheck

Source: https://junglewise.ai/threats/cve-2026-5618-kalcaddle-kodbox-ssrf-in-sharemake-sharecheck  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-06. Updated: 2026-07-24  
License: CC BY 4.0 with a link back

CVE-2026-5618 · Severity: medium · CVSS 5.6 · Published 2026-04-06

Kalcaddle kodbox, a web-based document management and collaboration platform, contains a security flaw in its file-sharing components. An attacker can exploit this to force the server to make unauthorized requests to internal or external systems. This could lead to the exposure of internal network information or unauthorized access to private services.

Technologies: [Kalcaddle Kodbox](https://junglewise.ai/threats/technologies/kodbox). Vendors: [Kalcaddle](https://junglewise.ai/threats/vendors/kalcaddle).

## Quick answers

**Is CVE-2026-5618 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-5618 being exploited in the wild.

**How severe is CVE-2026-5618?** Medium severity, with a CVSS score of 5.6, published 6 April 2026.

**Which products and versions are affected?** Kalcaddle Kodbox up to 1.64.

**Is there a fix for CVE-2026-5618?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-5618 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-5618?** Check whether you run Kalcaddle Kodbox at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A Server-Side Request Forgery (SSRF) vulnerability exists in Kalcaddle kodbox up to version 1.64 within the shareMake/shareCheck component. The flaw is triggered by manipulating the 'siteFrom' or 'siteTo' arguments, allowing a remote attacker to induce the server to perform unintended requests. While the attack can be carried out over the network without authentication, it is characterized by high complexity and difficult exploitability. A public exploit is currently available. As of the advisory date, the vendor has not responded to disclosure attempts, and no official patch has been confirmed.

## Affected products

- kalcaddle kodbox up to 1.64

## Timeline

- 2026-04-06: disclosed: Public disclosure of the vulnerability and exploit.
- 2026-04-06: advisory: CVE-2026-5618 published.

## References

- [https://vuldb.com/submit/785572](https://vuldb.com/submit/785572)
- [https://vuldb.com/vuln/355408](https://vuldb.com/vuln/355408)
- [https://vuldb.com/vuln/355408/cti](https://vuldb.com/vuln/355408/cti)
- [https://vulnplus-note.wetolink.com/share/3VtzyzYgcS4b](https://vulnplus-note.wetolink.com/share/3VtzyzYgcS4b)

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