CVE-2026-7787

HIGH

Published Jun 11, 2026 Modified Jun 17, 2026 CWE-639

Description

IBM Langflow OSS 1.0.0 through 1.9.1 could allow an authenticated user to read or modify sensitive information by bypassing authentication using insecure direct object references.

CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0025

Probability of exploitation

0.16%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-639 CWE-639

Affected Products

Vendor	Product	Versions
langflow	langflow	1.0.0 — 1.9.2

References

Advisories & Patches

https://www.ibm.com/support/pages/node/7275453

Frequently Asked Questions

What is CVE-2026-7787? +

IBM Langflow OSS 1.0.0 through 1.9.1 could allow an authenticated user to read or modify sensitive information by bypassing authentication using insecure direct object references. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-7787? +

CVE-2026-7787 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0025, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-7787? +

CVE-2026-7787 affects products from langflow, specifically: langflow. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-7787? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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