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CVE-2026-97678 IBM CVE debrief

IBM Langflow OSS versions 1.0.0 through 1.12.2 are vulnerable to arbitrary code execution due to improper input validation. This high-severity vulnerability allows a remote authenticated attacker to execute arbitrary code. Defenders responsible for IBM Langflow OSS systems, particularly those with remote authenticated access, should assess exposure and prioritize verification and remediation. The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or affected systems.

Vendor
IBM
Product
Langflow OSS
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-06
Original CVE updated
2026-10-08
Advisory published
2026-10-06
Advisory updated
2026-10-08

Who should care

Defenders responsible for IBM Langflow OSS systems, particularly those with remote authenticated access, should assess exposure and prioritize verification and remediation.

Why it matters

CVE-2026-97678 is a high-severity vulnerability in IBM Langflow OSS that could allow remote authenticated attackers to execute arbitrary code. Defenders should prioritize verification, upgrading to a non-affected version, and restricting access to authenticated users.

  • Potential arbitrary code execution by remote authenticated attackers
  • Need for verification and upgrade to a non-affected version
  • Importance of restricting access to authenticated users
  • Monitoring system logs for potential exploitation attempts

Technical summary

IBM Langflow OSS versions 1.0.0 through 1.12.2 are vulnerable to arbitrary code execution due to improper input validation. This allows a remote authenticated attacker to execute arbitrary code. The vulnerability has a high severity score and defenders should prioritize verifying and upgrading to a non-affected version of IBM Langflow OSS, if available, and restrict access to authenticated users.

Defensive priority

Defenders should prioritize verifying and upgrading to a non-affected version of IBM Langflow OSS, if available, and restrict access to authenticated users.

Recommended defensive actions

  • Verify and upgrade to a non-affected version of IBM Langflow OSS, if available
  • Restrict access to authenticated users
  • Monitor system logs for potential exploitation attempts

Evidence notes

The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or affected systems. Evidence is limited to CVE Program and NVD records. Defenders should verify affected product deployments, review official advisories, and plan vendor-supported updates or mitigations.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-97678 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-97678

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

  • CVE-2026-97678 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-97678

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

Supplemental references

  • Langflow OSS is affected by multiple vulnerabilities

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/97xxx/CVE-2026-97678.json

    cve_program_cvelist_v5

  • Source reference

    Unverified legacy reference

    URL: https://www.ibm.com/support/pages/node/7290694

    Supplemental source - vendor-advisory, patch

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.