CVE-2026-6597 (GCVE-0-2026-6597)

Vulnerability from cvelistv5 – Published: 2026-04-20 02:30 – Updated: 2026-04-20 11:42
VLAI
Title
langflow-ai langflow Flow Using API core.py has_api_terms credentials storage
Summary
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.
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
2.7 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
2.7 (Low)
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R
CWE
  • CWE-256 - Unprotected Storage of Credentials
  • CWE-255 - Credentials Management
Assigner
References
URL Tags
https://vuldb.com/vuln/358232 vdb-entrytechnical-description
https://vuldb.com/vuln/358232/cti signaturepermissions-required
https://vuldb.com/submit/791920 third-party-advisory
https://gist.github.com/chenhouser2025/b93261c6e6… exploit
Impacted products
Vendor Product Version
langflow-ai langflow Affected: 1.8.0
Affected: 1.8.1
Affected: 1.8.2
Affected: 1.8.3
    cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Eric-d (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.