What’s Vulnerable › Vulnerabilities

CVE-2026-6597: langflow-ai langflow Flow Using API core.py has_api_terms credentials storage

• Severity: low (CVSS 2.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-20 · updated 2026-06-17
• Weakness: CWE-255

Description

A weakness has been identified in langflow-ai langflow up to 1.8.3. Impacted is the function remove_api_keys/has_api_terms of the file src/backend/base/langflow/api/utils/core.py of the component Flow Using API. This manipulation causes unprotected storage of credentials. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

• IBM Langflow OSS: 1.8.0, 1.8.1, 1.8.2, 1.8.3

References

• https://gist.github.com/chenhouser2025/b93261c6e651f14800a4f2e4365f357b
• https://vuldb.com/submit/791920
• https://vuldb.com/vuln/358232
• https://vuldb.com/vuln/358232/cti

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