Vulnerability in Marketcalls Openalgo
CVE-2026-120250
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.
Vulnerability class: Improper Certificate Validation
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/marketcalls/openalgo/commit/af5d5f2cc564ee31cdd1159bc147a9b03cc713ac (patch)
- github.com/marketcalls/openalgo/blob/main/docs/releases/version-2.0.3.1-release… (release-notes)
- github.com/marketcalls/openalgo/blob/96e5927e5adbff146f203bf72c7a79add9e6622c/u… (technical-description)
- github.com/marketcalls/openalgo (product)
- www.vulncheck.com/advisories/openalgo-1.0.0.29-before-2.0.3.1-improper-certific… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-120250?
- CVE-2026-120250 is a medium-severity vulnerability in Marketcalls Openalgo, classified under Improper Certificate Validation. CVSS score: 5.3/10. Published 2026-11-01.
- How severe is CVE-2026-120250?
- Medium severity. CVSS v3 base score is 5.3 out of 10.