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CVE-2026-7787 IBM CVE debrief

CVE-2026-7787 is a HIGH-severity vulnerability in IBM Langflow OSS versions 1.0.0 through 1.9.1. An authenticated user could exploit this vulnerability to read or modify sensitive information by bypassing authentication using insecure direct object references. The vulnerability was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-7787) and has a CVSS score of 7.5.

Vendor
IBM
Product
Langflow OSS
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-11
Original CVE updated
2026-06-16
Advisory published
2026-06-11
Advisory updated
2026-06-16

Who should care

Users of IBM Langflow OSS versions 1.0.0 through 1.9.1 should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The vulnerability is caused by insecure direct object references, which allow an authenticated user to bypass authentication and access sensitive information. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Defensive priority

HIGH

Recommended defensive actions

  • Users should update to a patched version of IBM Langflow OSS as soon as possible.
  • In the meantime, users can consider implementing additional authentication and authorization measures to mitigate the vulnerability.

Evidence notes

The CVE record [cve-org] provides additional information about the vulnerability, including its CVSS score and vector. The NVD detail [nvd] also provides information about the vulnerability, including its description and references. The source reference [ref-4] provides additional information from IBM about the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-7787 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-7787

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

  • CVE-2026-7787 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-7787

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

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.