Vulnerability · Published May 27, 2026 · Assigned by ibm
CVE-2026-7528Unauthenticated File Upload Vulnerability Allows Disk Space Exhaustion and Path Disclosure in Langflow OSS
High 7.1
In plain English
A high-severity uncontrolled resource consumption in Langflow OSS from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.3%top 79.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM Langflow OSS 1.0.0 through 1.9.0 could allow a denial of service due to uncontrolled resource consumption.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | Langflow OSS | 1.0.0 – through 1.9.0 |
Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
References
- https://www.ibm.com/support/pages/node/7273427 vendor-advisory, patch