{"meta":{"title":"KEV entries: Langflow","description":"All KEV entries for vendor Langflow.","source":"CISA Known Exploited Vulnerabilities catalog (https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json)","catalogVersion":"2026.09.23","catalogDateReleased":"2026-09-23T12:51:35.821Z","referenceDate":"2026-09-23","publisher":"Telemetry","license":"https://creativecommons.org/licenses/by/4.0/","documentation":"https://glide-telemetry.pages.dev/api/","records":5,"vendor":"Langflow","entries":5,"shareOfCatalogPercent":0.3,"ransomwareKnown":1,"firstDateAdded":"2025-05-05","latestDateAdded":"2026-07-21","rank":47},"data":[{"cveID":"CVE-2026-0770","vendorProject":"Langflow","product":"Langflow","vulnerabilityName":"Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability","dateAdded":"2026-07-21","dueDate":"2026-07-24","knownRansomwareCampaignUse":"Unknown","cwes":["CWE-829"],"shortDescription":"Langflow contains an inclusion of functionality from untrusted control sphere vulnerability that allows remote attackers to execute arbitrary code on affected installations. ","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","notes":"https://github.com/langflow-ai/langflow/releases/tag/v1.9.0 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-0770 ","telemetryUrl":"https://glide-telemetry.pages.dev/kev/cve-2026-0770/"},{"cveID":"CVE-2026-55255","vendorProject":"Langflow","product":"Langflow","vulnerabilityName":"Langflow Authorization Bypass Through User-Controlled Key Vulnerability","dateAdded":"2026-07-07","dueDate":"2026-07-10","knownRansomwareCampaignUse":"Unknown","cwes":["CWE-639"],"shortDescription":"Langflow contains an authorization bypass through user-controlled key vulnerability which allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request.","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.","notes":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-qrpv-q767-xqq2 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-55255","telemetryUrl":"https://glide-telemetry.pages.dev/kev/cve-2026-55255/"},{"cveID":"CVE-2025-34291","vendorProject":"Langflow","product":"Langflow","vulnerabilityName":"Langflow Origin Validation Error Vulnerability","dateAdded":"2026-05-21","dueDate":"2026-06-04","knownRansomwareCampaignUse":"Unknown","cwes":["CWE-346"],"shortDescription":"Langflow contains an origin validation error vulnerability in which an overly permissive CORS configuration combined with a refresh token cookie configured as SameSite=None allows a malicious webpage to perform cross-origin requests that include credentials and successfully call the refresh endpoint. This could allow the attacker to execute arbitrary code and achieve full system compromise via obtained tokens that permit access to authenticated endpoints.","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","notes":"This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/langflow-ai/langflow ; https://github.com/langflow-ai/langflow/releases/tag/v1.9.3; https://github.com/langflow-ai/langflow/issues/11465#event-25774545848 ; https://nvd.nist.gov/vuln/detail/CVE-2025-34291","telemetryUrl":"https://glide-telemetry.pages.dev/kev/2026/#cve-2025-34291"},{"cveID":"CVE-2026-33017","vendorProject":"Langflow","product":"Langflow","vulnerabilityName":"Langflow Code Injection Vulnerability","dateAdded":"2026-03-25","dueDate":"2026-04-08","knownRansomwareCampaignUse":"Unknown","cwes":["CWE-94","CWE-95","CWE-306"],"shortDescription":"Langflow contains a code injection vulnerability that could allow building public flows without requiring authentication.","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","notes":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-vwmf-pq79-vjvx ; https://nvd.nist.gov/vuln/detail/CVE-2026-33017","telemetryUrl":"https://glide-telemetry.pages.dev/kev/2026/#cve-2026-33017"},{"cveID":"CVE-2025-3248","vendorProject":"Langflow","product":"Langflow","vulnerabilityName":"Langflow Missing Authentication Vulnerability","dateAdded":"2025-05-05","dueDate":"2025-05-26","knownRansomwareCampaignUse":"Known","cwes":["CWE-306"],"shortDescription":"Langflow contains a missing authentication vulnerability in the /api/v1/validate/code endpoint that allows a remote, unauthenticated attacker to execute arbitrary code via crafted HTTP requests.","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","notes":"This vulnerability affects a common open-source project, third-party library, or a protocol used by different products. For more information, please see: https://github.com/advisories/GHSA-c995-4fw3-j39m ; https://nvd.nist.gov/vuln/detail/CVE-2025-3248","telemetryUrl":"https://glide-telemetry.pages.dev/kev/2025/#cve-2025-3248"}]}