CVE-2026-120250

Medium

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.

SeverityMedium

CVSS5.3

Exploit probability—

ProductOpenAlgo

PublishedNov 1, 2026

First seenNov 4, 2026

Weakness typeCWE-295CWE-295

How to fix

Update

marketcalls OpenAlgo2.0.3.1 or later

Patches

github.com/marketcalls/openalgo/commit/af5d5f2cc564ee31cdd1159bc147a9b03cc713ac

Vendor advisories

github.com/marketcalls/openalgo/blob/main/docs/releases/version-2.0.3.1-released.md

Affected products

Product	Affected versions	Fixed in
marketcalls OpenAlgo	1.0.0.29 ≤ v < 2.0.3.1	2.0.3.1

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.