Vulnerability details

CVE-2026-80443

HAVELSAN Sef - AI Chatbot Platform

Insecure TLS Certificate Validation in API Tool Runner in HAVELSAN's Sef - AI Chatbot Platform

CVSS 3.1

7.4High

Official description

Improper certificate validation vulnerability in HAVELSAN Inc. Sef - AI Chatbot Platform allows Adversary in the Middle (AiTM). This issue affects Sef - AI Chatbot Platform: before 2.1. NOTE: The vendor was contacted and it was learned that the product is not supported.

CVSS scores

Score	Version	Source	Vector
7.4High	3.1	CVEProject cvelistV5 (CNA) (TR-CERT)	`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N`

Affected products

Vendor	Product	Versions	Source
HAVELSAN Inc.	Sef - AI Chatbot Platform	v < 2.1	CVEProject cvelistV5 (CNA)

References and advisories

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1241 government-resource

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Details

Published: 2026-10-02
Last updated: 2026-10-02
State: Published
Assigner (CNA): TR-CERT

Exploit prediction (EPSS)

0.16%

Probability of exploitation in 30 days

5.5%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-295
Improper certificate validation