What is CVE-2026-48697?

CVE-2026-48697 is a high-severity vulnerability in Pavel-odintsov Fastnetmon, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2026-05-26.

How severe is CVE-2026-48697?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Pavel-odintsov Fastnetmon

CVE-2026-48697

FastNetMon Community Edition through 1.2.9 does not verify TLS certificates on outbound HTTPS connections. The execute_web_request_secure() function in src/fast_library.cpp creates a boost::asio::ssl::context with tls_client mode and calls…

Vulnerability class: Improper Certificate Validation

EPSS: 0.000 (5.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Pavel-odintsov Fastnetmon
N/a — versions n/a

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

cve@mitre.org (Product)
cve@mitre.org (Product)
cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2026-48697?: CVE-2026-48697 is a high-severity vulnerability in Pavel-odintsov Fastnetmon, classified under Improper Certificate Validation. CVSS score: 7.4/10. Published 2026-05-26.
How severe is CVE-2026-48697?: High severity. CVSS v3 base score is 7.4 out of 10.