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CVE-2026-80337

Unauthorized Cross-Chatbot Tool Invocation in HAVELSAN's Sef - AI Chatbot Platform

MEDIUM
5.3
CVSS Score
Published: October 2, 2026 at 09:01 AM UTC
Updated: October 2, 2026 at 03:17 PM UTC
1 product affected across 1 vendorSef

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Missing Authorization vulnerability in HAVELSAN Inc. Sef - AI Chatbot Platform allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Sef - AI Chatbot Platform: before 2.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Sef· Havelsan
60%
v < 2.1
Affected range stops below 2.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

US Government Resource
Source: cverecord
https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1241

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMTR-CERT
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-862

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