PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-97673 IBM CVE debrief

IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote authenticated attacker to execute arbitrary code due to improper input validation. This high-severity vulnerability, with a CVSS score of 8.8, requires immediate attention from defenders responsible for Langflow OSS installations. They should assess exposure and prioritize patching to prevent potential code execution. The vulnerability is caused by improper input validation, which allows attackers to execute arbitrary code. Defenders should verify and patch Langflow OSS installations to prevent potential code execution.

Vendor
IBM
Product
Langflow OSS
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-07
Original CVE updated
2026-10-07
Advisory published
2026-10-07
Advisory updated
2026-10-07

Who should care

Defenders responsible for Langflow OSS installations should assess exposure and prioritize patching to prevent potential code execution. They should review compensating controls for exposed systems while remediation is scheduled and verified. Defenders should also monitor Langflow OSS for suspicious activity and verify Langflow OSS version and apply patches if necessary.

Why it matters

CVE-2026-97673 is a high-severity vulnerability in IBM Langflow OSS that could allow remote authenticated attackers to execute arbitrary code. Defenders responsible for Langflow OSS installations should assess exposure and prioritize patching to prevent potential code execution.

  • Potential code execution by remote authenticated attackers
  • Need for verification and patching of Langflow OSS installations

Technical summary

IBM Langflow OSS 1.0.0 through 1.12.2 is vulnerable to arbitrary code execution due to improper input validation. This vulnerability has a CVSS score of 8.8 and is classified as HIGH severity. The vulnerability allows remote authenticated attackers to execute arbitrary code, which can lead to potential code execution. Defenders should prioritize verifying and patching Langflow OSS installations to prevent potential code execution.

Defensive priority

Defenders should prioritize verifying and patching Langflow OSS installations to prevent potential code execution.

Recommended defensive actions

  • Verify Langflow OSS version and apply patches if necessary
  • Restrict access to Langflow OSS installations
  • Monitor Langflow OSS for suspicious activity

Evidence notes

The CVE record and source item provide details on the vulnerability, but limited information is available on exploitation or impact. The Langflow OSS vulnerability is a high-severity issue that requires verification and patching of affected installations. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. The CVE record was published on 2026-10-07T00:00:11.043Z and has not been modified since then. The source

Sources and references

Verified primary and authoritative sources

  • CVE-2026-97673 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-97673

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

  • CVE-2026-97673 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-97673

    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-2026-97673.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.