# CVE-2026-80337: HAVELSAN Sef AI Chatbot Platform missing authorization in ACLs

Source: https://junglewise.ai/threats/cve-2026-80337-missing-authorization-vulnerability-in-havelsan-inc-sef-ai  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-02. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-80337 · Severity: medium · CVSS 5.3 · Published 2026-10-02

HAVELSAN's Sef AI Chatbot Platform is an artificial intelligence service used for conversational interactions. A missing authorization vulnerability allows attackers to bypass access controls and access functionality they should not be able to reach. The product is no longer supported by the vendor, leaving users exposed to exploitation.

Technologies: [HAVELSAN Inc. Sef AI Chatbot Platform](https://junglewise.ai/threats/technologies/sef-ai-chatbot-platform). Vendors: [HAVELSAN Inc.](https://junglewise.ai/threats/vendors/havelsan-inc).

## Quick answers

**Is CVE-2026-80337 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-80337 being exploited in the wild.

**How severe is CVE-2026-80337?** Medium severity, with a CVSS score of 5.3, published 2 October 2026.

**Which products and versions are affected?** HAVELSAN Inc. Sef AI Chatbot Platform before 2.1.

**Is there a fix for CVE-2026-80337?** Yes: fixed in 2.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-80337 attacked?** It is attacked over the network, in a hosted service.

**Am I affected by CVE-2026-80337?** Check whether you run HAVELSAN Inc. Sef AI Chatbot Platform 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.

## How to fix

- Fixed in 2.1

## Technical details

The vulnerability is a missing authorization flaw where access control lists (ACLs) do not properly constrain access to certain functionality. An unauthenticated or low-privileged network attacker can exploit this to access restricted features or data. A fix was announced in version 2.1, but the vendor has discontinued support for this product.

## Affected products

- HAVELSAN Inc. Sef AI Chatbot Platform before 2.1

## Timeline

- 2026-10-02: disclosed

## References

- [https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1241](https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1241)

## Related threats

- [HAVELSAN Sef AI Chatbot Platform SQL injection](https://junglewise.ai/threats/cve-2026-80298-improper-neutralization-of-special-elements-used-in-an-sql)
- [HAVELSAN Sef - AI Chatbot Platform server-side request forgery](https://junglewise.ai/threats/cve-2026-80464-server-side-request-forgery-ssrf-vulnerability-in-havelsan-inc)
- [HAVELSAN Sef improper certificate validation](https://junglewise.ai/threats/cve-2026-80443-improper-certificate-validation-vulnerability-in-havelsan-inc-sef)