{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-120250","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-10-31T22:06:00.139Z","datePublished":"2026-11-01T00:57:14.226Z","dateUpdated":"2026-11-01T00:57:14.226Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-01T00:57:14.226Z"},"datePublic":"2026-10-29T00:00:00.000Z","title":"OpenAlgo 1.0.0.29 before 2.0.3.1 Improper Certificate Validation in SMTP Connections","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Certificate Validation","cweId":"CWE-295","type":"CWE"}]}],"affected":[{"vendor":"marketcalls","product":"OpenAlgo","defaultStatus":"unaffected","versions":[{"version":"1.0.0.29","lessThan":"2.0.3.1","status":"affected","versionType":"custom"}],"packageURL":"pkg:github/marketcalls/openalgo","repo":"https://github.com/marketcalls/openalgo"}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"ADJACENT","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":6,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/marketcalls/openalgo/commit/af5d5f2cc564ee31cdd1159bc147a9b03cc713ac","tags":["patch"]},{"url":"https://github.com/marketcalls/openalgo/blob/main/docs/releases/version-2.0.3.1-released.md","tags":["release-notes"],"name":"OpenAlgo 2.0.3.1 Release Notes"},{"url":"https://github.com/marketcalls/openalgo/blob/96e5927e5adbff146f203bf72c7a79add9e6622c/utils/email_utils.py#L403-L406","tags":["technical-description"]},{"url":"https://github.com/marketcalls/openalgo","tags":["product"]},{"name":"VulnCheck Advisory: OpenAlgo 1.0.0.29 before 2.0.3.1 Improper Certificate Validation in SMTP Connections","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/openalgo-1.0.0.29-before-2.0.3.1-improper-certificate-validation-in-smtp-connections"}],"credits":[{"lang":"en","value":"Tommaso Bona (ParzivalHack)","type":"finder"},{"lang":"en","value":"marketcalls","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}}}}