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.

Attack Vector Adjacent Network

Attack Complexity High

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Adjacent Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
marketcalls OpenAlgo unaffected
Version Status Constraints
1.0.0.29 affected < 2.0.3.1

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/marketcalls/openalgo cve-icon cve-icon
https://github.com/marketcalls/openalgo/blob/96e5927e5adbff146f203bf72c7a79add9e6622c/utils/email_utils.py#L403-L406 cve-icon cve-icon
https://github.com/marketcalls/openalgo/blob/main/docs/releases/version-2.0.3.1-released.md cve-icon cve-icon
https://github.com/marketcalls/openalgo/commit/af5d5f2cc564ee31cdd1159bc147a9b03cc713ac cve-icon cve-icon
https://www.vulncheck.com/advisories/openalgo-1.0.0.29-before-2.0.3.1-improper-certificate-validation-in-smtp-connections cve-icon cve-icon
History

Sun, 01 Nov 2026 01:00:00 +0000

Type Values Removed Values 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.
Title OpenAlgo 1.0.0.29 before 2.0.3.1 Improper Certificate Validation in SMTP Connections
Weaknesses CWE-295
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 6, 'vector': 'CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-01T00:57:14.226Z

Reserved: 2026-10-31T22:06:00.139Z

Link: CVE-2026-120250

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-01T01:17:18.903

Modified: 2026-11-01T01:17:18.903

Link: CVE-2026-120250

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-01T02:30:18Z

Weaknesses