PT-2026-33704 · Langflow · Langflow

Eric-F · Published 2026-04-20 · Updated 2026-04-20 · CVE-2026-6598

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions langflow-ai langflow versions prior to 1.8.4

Description An issue exists in the Project Creation Endpoint where manipulation of the auth settings argument in the encrypt auth settings() function within the 'src/backend/base/Langflow/api/v1/projects.py' file leads to sensitive information being stored in cleartext on a file or disk. This flaw can be exploited remotely.

Recommendations Update to a version newer than 1.8.3. As a temporary workaround, restrict access to the encrypt auth settings() function until a patch is applied.

Exploit

Fix

Cleartext Storage of Sensitive Information

Weakness Enumeration

CWE-312

CWE-313

Related Identifiers

CVE-2026-6598

GHSA-9JPJ-CPH8-W449

Affected Products

Langflow

References · 9

• 🔥 https://gist.github.com/chenhouser2025/77adb3486c06c635ae4b09a3eaf90213 · Exploit
• https://osv.dev/vulnerability/GHSA-9jpj-cph8-w449 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-6598 · Security Note
• https://github.com/langflow-ai/langflow · Note
• https://github.com/langflow-ai/langflow/commit/45325f6376309a91f5017fa033a96c09c7e295e3 · Note
• https://vuldb.com/vuln/358233/cti · Note
• https://twitter.com/VulmonFeeds/status/2046095652224975318 · Twitter Post
• https://vuldb.com/vuln/358233 · Note
• https://vuldb.com/submit/791921 · Note