6.0
MEDIUM CVSS 4.0
CVE-2026-120250
OpenAlgo 1.0.0.29 before 2.0.3.1 Improper Certificate Validation in SMTP Connections
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.

INFO

Published Date :

Nov. 1, 2026, 1:17 a.m.

Last Modified :

Nov. 1, 2026, 1:17 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-120250 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update OpenAlgo to patch improper certificate validation and secure email communications.
  • Update OpenAlgo to version 2.0.3.1 or later.
  • Verify TLS hostname and certificate checks are enabled.
  • Ensure secure SMTP configurations are enforced.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-120250 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-120250 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-120250 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-120250 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Nov. 01, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-295
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/120xxx/CVE-2026-120250.json">CVE-2026-120250</a>
    Added Reference https://github.com/marketcalls/openalgo
    Added Reference https://github.com/marketcalls/openalgo/blob/96e5927e5adbff146f203bf72c7a79add9e6622c/utils/email_utils.py#L403-L406
    Added Reference https://github.com/marketcalls/openalgo/blob/main/docs/releases/version-2.0.3.1-released.md
    Added Reference https://github.com/marketcalls/openalgo/commit/af5d5f2cc564ee31cdd1159bc147a9b03cc713ac
    Added Reference https://www.vulncheck.com/advisories/openalgo-1.0.0.29-before-2.0.3.1-improper-certificate-validation-in-smtp-connections
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.