5.3
MediumCVSS 3.1 · from VulnCheck
CVE-2026-120250
OpenAlgo 1.0.0.29 before 2.0.3.1 Improper Certificate Validation in SMTP Connections
OpenAlgo · Improper certificate validation · CWE-295AffectedOpenAlgo
FixUpdate to 2.0.3.1 or newer
PublishedNov 1, 00:57 · VulnCheck
ScoredNov 1 · 5.3 · VulnCheck
Exploit code publicNone known · checked 21:18 UTC
ExploitedNone known · CISA KEV checked 22:04 UTC
What we know
No known exploitation. CISA KEV, checked 22:04 UTC.
No public exploit code known. Exploit-DB, Metasploit, Nuclei, checked 21:18 UTC.
An attacker has to be on the same network. CVSS: adjacent network.
It only works under certain conditions, which makes it harder to pull off. CVSS: high attack complexity.
A successful attack can read data. CVSS impact.
Description
OpenAlgo 1.0.0.29 before 2.0.3.1 contains an improper certificate validation vulnerability in utils/email_utils.py and utils/email_debug.py that disables TLS hostname and certificate checks for STARTTLS and SMTPS. Network-positioned attackers can present a forged certificate to intercept SMTP credentials and all later mail, including password-reset links.
From VulnCheck
Affected and fixed versions
ProductAffectedFixed inOpenAlgo1.0.0.29 – before 2.0.3.12.0.3.1
Exploit code
Exploit-DBnone knownMetasploitnone knownNucleinone known