CVE-2026-7872 IBM CVE debrief

Who should care

Users of IBM Langflow OSS 1.0.0 through 1.10.0, security teams, and operators managing affected deployments should be aware of this vulnerability and take steps to mitigate it. Affected deployments may be exposed to unauthorized access and data breaches.

Technical summary

CVE-2026-7872 is a vulnerability in IBM Langflow OSS 1.0.0 through 1.10.0 that allows an authenticated attacker to read arbitrary files, including the JWT signing key, and forge authentication tokens for any user. The vulnerability has a CVSS score of 7.5 and a severity of HIGH. Affected product deployments should be reviewed for exposure and patched or mitigated immediately.

Defensive priority

High priority should be given to patching or mitigating this vulnerability, as it allows for the reading of arbitrary files and the forging of authentication tokens.

Recommended defensive actions

• Apply the patch or update to a version of IBM Langflow OSS that is not vulnerable
• Implement additional monitoring and logging to detect potential exploitation
• Review and update authentication and authorization controls to prevent unauthorized access
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-07-17T20:17:30.377Z and has not been modified since then. The NVD entry is currently Received. The vulnerability affects IBM Langflow OSS 1.0.0 through 1.10.0, allowing an authenticated attacker to read arbitrary files including the JWT signing key and forge authentication tokens for any user. Evidence is limited to CVE and NVD details.

Official resources