CVE-2026-121452

bbs-go through 4.4.6 Improper TLS Certificate Validation in SMTP Email Service

Published Nov 3, 2026 CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
Description
bbs-go through 4.4.6 contains an improper certificate validation vulnerability that allows network-positioned attackers to intercept SMTP traffic because sendEmail() sets InsecureSkipVerify to true. Attackers can present any certificate to capture SMTP PLAIN auth credentials and read or modify outgoing password-reset and verification emails.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description bbs-go through 4.4.6 contains an improper certificate validation vulnerability that allows network-positioned attackers to intercept SMTP traffic because sendEmail() sets InsecureSkipVerify to true. Attackers can present any certificate to capture SMTP PLAIN auth credentials and read or modify outgoing password-reset and verification emails.
Title bbs-go through 4.4.6 Improper TLS Certificate Validation in SMTP Email Service
First Time appeared Bbs-go Project
Bbs-go Project bbs-go
Weaknesses CWE-295
CPEs cpe:2.3:a:bbs-go_project:bbs-go:*:*:*:*:*:*:*:*
Vendors & Products Bbs-go Project
Bbs-go Project bbs-go
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N'}

cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 3, 2026, 6:28 PM
Reserved
Nov 3, 2026, 12:33 PM
Status
Deferred
Published
Nov 3, 2026, 4:17 PM
Modified
Nov 3, 2026, 7:18 PM