Vulnerability · Published Aug 5, 2026 · Assigned by ibm
CVE-2026-9205Langflow is affected by weaknesses in secret handling and sensitive configuration access
High 7.4
In plain English
A high-severity security flaw 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 23% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.4High
Exploit odds (30 days)0.3%top 77.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_fernet_key() function.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | langflow | 1.10.1 | GHSA-jxw3-mjmx-3pqm |
| PyPI | langflow | 1.10.1 | PYSEC-2026-4235 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | Langflow OSS | 1.0.0 – through 1.10.3 |
Weakness: CWE-338 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
References
- https://www.ibm.com/support/pages/node/7282648 vendor-advisory, patch