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PatchSiren cyber security CVE debrief

CVE-2026-79725 IBM CVE debrief

IBM Langflow OSS 1.0.0 through 1.11.5 is vulnerable to improper access control, allowing a remote authenticated attacker to read arbitrary files due to inadequate access restrictions. This issue affects IBM Langflow OSS deployments, particularly those with remote authenticated access, and defenders should assess exposure and prioritize remediation to prevent unauthorized file access across affected systems and environments. The vulnerability highlights the need for defenders to verify and remediate improper access control, emphasizing the importance of secure access controls in preventing data breaches.

Vendor
IBM
Product
Langflow OSS
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-10
Original CVE updated
2026-09-11
Advisory published
2026-09-10
Advisory updated
2026-09-11

Who should care

Defenders responsible for IBM Langflow OSS deployments, especially those with remote authenticated access, should assess exposure and prioritize remediation.

Why it matters

Defenders should prioritize verifying and remediating this vulnerability in IBM Langflow OSS deployments, especially in environments with remote authenticated access, to prevent unauthorized file access.

  • Verify and remediate improper access control vulnerability
  • Assess exposure to remote authenticated access
  • Prioritize remediation in environments with sensitive data

Technical summary

IBM Langflow OSS 1.0.0 through 1.11.5 is vulnerable to improper access control, allowing a remote authenticated attacker to read arbitrary files. This vulnerability arises from inadequate access restrictions, which could lead to unauthorized file access in affected deployments. Defenders should prioritize verifying and remediating this vulnerability, especially in environments with remote authenticated access, to prevent potential data breaches and maintain the security of sensitive information.

Defensive priority

Defenders should prioritize verifying and remediating this vulnerability in IBM Langflow OSS deployments, especially in environments with remote authenticated access.

Recommended defensive actions

  • Verify IBM Langflow OSS version and deployment
  • Assess exposure to remote authenticated access
  • Remediate improper access control vulnerability

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, but additional information on affected versions, specific remediation steps, and potential mitigations is limited. Defenders should verify the vulnerability's impact on their environments, focusing on remote authenticated access points and ensuring proper access controls are in place. Further investigation may be required to fully understand the vulnerability's scope and to implement effective countermeasures.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-79725 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-79725

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

  • CVE-2026-79725 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-79725

    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.