CVE-2026-121452 (GCVE-0-2026-121452)
Vulnerability from cvelistv5 – Published: 2026-11-03 15:17 – Updated: 2026-11-03 18:28
VLAI
EPSS
VEX
Title
bbs-go through 4.4.6 Improper TLS Certificate Validation in SMTP Email Service
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-11-03 17:21 UTC
CWE
- CWE-295 - Improper Certificate Validation
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/mlogclub/bbs-go/issues/310 | issue-tracking |
| https://github.com/mlogclub/bbs-go | product |
| https://github.com/mlogclub/bbs-go/commit/1a06e35… | patch |
| https://github.com/mlogclub/bbs-go/blob/v4.4.6/in… | technical-description |
| https://www.vulncheck.com/advisories/bbs-go-throu… | third-party-advisory |
Impacted products
Date Public
2026-10-26 00:00
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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