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PatchSiren cyber security CVE debrief

CVE-2026-0770 Langflow CVE debrief

Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability debrief. The vulnerability has a CVSS score of 9.8 and CRITICAL severity. Langflow users should assess exposure and apply mitigations. The CISA Known Exploited Vulnerabilities catalog and CVE Program record indicate Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability. This vulnerability allows for potential exploitation, and users should verify Langflow deployment for potential vulnerability exposure.

Vendor
Langflow
Product
Langflow
CVSS
CRITICAL 9.8
CISA KEV
Listed
Original CVE published
2026-07-21
Original CVE updated
2026-07-21
Advisory published
2026-07-21
Advisory updated
2026-07-21

Who should care

Langflow users, security teams, and IT administrators should assess exposure and apply mitigations. They should verify Langflow deployment for potential vulnerability exposure, assess risk of exploitation, and prioritize mitigation efforts. Compliance with CISA guidance and vendor instructions is essential.

Why it matters

Langflow users should assess exposure to CVE-2026-0770 and apply vendor-supplied mitigations to prevent potential exploitation

  • Verify Langflow deployment for potential vulnerability exposure
  • Assess risk of exploitation and prioritize mitigation efforts
  • Ensure compliance with CISA guidance and vendor instructions

Technical summary

The Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability has a CVSS score of 9.8 and CRITICAL severity. This indicates high risk to Langflow users, who should assess exposure and apply vendor-supplied mitigations in accordance with CISA guidance. The vulnerability is considered high priority for Langflow users to assess exposure and apply mitigations.

Defensive priority

High priority for Langflow users to assess exposure and apply mitigations

Recommended defensive actions

  • Assess exposure to Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability
  • Apply vendor-supplied mitigations in accordance with CISA guidance
  • Ensure compliance with CISA's BOD 26-04 Prioritizing Security Updates Based on Risk guidance

Evidence notes

The CISA Known Exploited Vulnerabilities catalog and CVE Program record indicate Langflow Inclusion of Functionality from Untrusted Control Sphere Vulnerability, with a CVSS score of 9.8 and CRITICAL severity

Sources and references

Verified primary and authoritative sources

  • CVE-2026-0770 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-0770

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-0770 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-0770

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.