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01 Record

CVE-2026-80443

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

HighPUBLISHEDCNA: TR-CERT
CNA base score7.4 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

02 Description

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

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.16% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 4.9% of scored records. A rank, not a probability.
NVD base score
7.4 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD analysis status
Deferred. NVD last modified this record on 2026-10-02.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-02 09:04Z27 DAYS AGO
Last updated
2026-10-02 14:36Z26 DAYS AGO
Reserved
2026-08-26
Assigning CNA
TR-CERT
Record state
PUBLISHED
Severity
High (CVSS 7.4)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
  • CWE-295Improper Certificate ValidationBase
Data version
5.2
Document digest
f0f7cceef3d148d4978da04e20b14730dda8427e62f672baf929940831dbe4be

05 Affected products

VendorProductVersionsPlatforms
HAVELSAN Inc.Sef - AI Chatbot Platform0 to < 2.1—

06 References