id: PYSEC-2026-2565
published: "2026-07-13T15:02:51.378807Z"
modified: "2026-07-13T16:04:31.782275Z"
aliases:
- CVE-2026-6597
- GHSA-5jjf-wcvf-923w
summary: Langflow has an Information Leak through Incomplete API Key Redaction
details: 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:
- package:
    name: langflow
    ecosystem: PyPI
    purl: pkg:pypi/langflow
  ranges:
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - last_affected: 1.8.3
  versions:
  - 0.0.31
  - 0.0.32
  - 0.0.33
  - 0.0.40
  - 0.0.44
  - 0.0.45
  - 0.0.46
  - 0.0.52
  - 0.0.53
  - 0.0.54
  - 0.0.55
  - 0.0.56
  - 0.0.57
  - 0.0.58
  - 0.0.61
  - 0.0.62
  - 0.0.63
  - 0.0.64
  - 0.0.65
  - 0.0.66
  - 0.0.67
  - 0.0.68
  - 0.0.69
  - 0.0.70
  - 0.0.71
  - 0.0.72
  - 0.0.73
  - 0.0.74
  - 0.0.75
  - 0.0.76
  - 0.0.78
  - 0.0.79
  - 0.0.80
  - 0.0.81
  - 0.0.83
  - 0.0.84
  - 0.0.85
  - 0.0.86
  - 0.0.87
  - 0.0.88
  - 0.0.89
  - 0.1.0
  - 0.1.2
  - 0.1.3
  - 0.1.4
  - 0.1.5
  - 0.1.6
  - 0.1.7
  - 0.2.0
  - 0.2.1
  - 0.2.10
  - 0.2.11
  - 0.2.12
  - 0.2.13
  - 0.2.2
  - 0.2.3
  - 0.2.4
  - 0.2.5
  - 0.2.6
  - 0.2.7
  - 0.2.8
  - 0.2.9
  - 0.3.0
  - 0.3.1
  - 0.3.2
  - 0.3.3
  - 0.3.4
  - 0.4.0
  - 0.4.1
  - 0.4.10
  - 0.4.11
  - 0.4.12
  - 0.4.14
  - 0.4.15
  - 0.4.16
  - 0.4.17
  - 0.4.18
  - 0.4.19
  - 0.4.2
  - 0.4.20
  - 0.4.21
  - 0.4.3
  - 0.4.4
  - 0.4.5
  - 0.4.6
  - 0.4.7
  - 0.4.8
  - 0.4.9
  - 0.5.0
  - 0.5.0a0
  - 0.5.0a1
  - 0.5.0a2
  - 0.5.0a3
  - 0.5.0a4
  - 0.5.0a5
  - 0.5.0a6
  - 0.5.0b0
  - 0.5.0b2
  - 0.5.0b3
  - 0.5.0b4
  - 0.5.0b5
  - 0.5.0b6
  - 0.5.1
  - 0.5.10
  - 0.5.11
  - 0.5.12
  - 0.5.2
  - 0.5.3
  - 0.5.4
  - 0.5.5
  - 0.5.6
  - 0.5.7
  - 0.5.8
  - 0.5.9
  - 0.6.0
  - 0.6.0rc1
  - 0.6.1
  - 0.6.10
  - 0.6.11
  - 0.6.12
  - 0.6.14
  - 0.6.15
  - 0.6.16
  - 0.6.17
  - 0.6.18
  - 0.6.19
  - 0.6.2
  - 0.6.3
  - 0.6.3a0
  - 0.6.3a1
  - 0.6.3a2
  - 0.6.3a3
  - 0.6.3a4
  - 0.6.3a5
  - 0.6.3a6
  - 0.6.3a7
  - 0.6.4
  - 0.6.4a0
  - 0.6.4a1
  - 0.6.5
  - 0.6.5a0
  - 0.6.5a1
  - 0.6.5a10
  - 0.6.5a11
  - 0.6.5a12
  - 0.6.5a13
  - 0.6.5a2
  - 0.6.5a3
  - 0.6.5a4
  - 0.6.5a5
  - 0.6.5a6
  - 0.6.5a7
  - 0.6.5a8
  - 0.6.5a9
  - 0.6.6
  - 0.6.7
  - 0.6.7a1
  - 0.6.7a2
  - 0.6.7a3
  - 0.6.7a5
  - 0.6.8
  - 0.6.9
  - 1.0.0
  - 1.0.0a0
  - 1.0.0a1
  - 1.0.0a10
  - 1.0.0a11
  - 1.0.0a12
  - 1.0.0a13
  - 1.0.0a14
  - 1.0.0a15
  - 1.0.0a17
  - 1.0.0a18
  - 1.0.0a19
  - 1.0.0a2
  - 1.0.0a20
  - 1.0.0a21
  - 1.0.0a22
  - 1.0.0a23
  - 1.0.0a24
  - 1.0.0a25
  - 1.0.0a26
  - 1.0.0a27
  - 1.0.0a28
  - 1.0.0a29
  - 1.0.0a3
  - 1.0.0a30
  - 1.0.0a31
  - 1.0.0a32
  - 1.0.0a33
  - 1.0.0a34
  - 1.0.0a35
  - 1.0.0a36
  - 1.0.0a37
  - 1.0.0a38
  - 1.0.0a39
  - 1.0.0a4
  - 1.0.0a40
  - 1.0.0a41
  - 1.0.0a42
  - 1.0.0a43
  - 1.0.0a44
  - 1.0.0a45
  - 1.0.0a46
  - 1.0.0a47
  - 1.0.0a48
  - 1.0.0a49
  - 1.0.0a5
  - 1.0.0a50
  - 1.0.0a51
  - 1.0.0a52
  - 1.0.0a53
  - 1.0.0a55
  - 1.0.0a56
  - 1.0.0a57
  - 1.0.0a58
  - 1.0.0a59
  - 1.0.0a6
  - 1.0.0a60
  - 1.0.0a61
  - 1.0.0a7
  - 1.0.0a8
  - 1.0.0a9
  - 1.0.0rc0
  - 1.0.0rc1
  - 1.0.1
  - 1.0.10
  - 1.0.11
  - 1.0.12
  - 1.0.13
  - 1.0.14
  - 1.0.15
  - 1.0.16
  - 1.0.17
  - 1.0.18
  - 1.0.19
  - 1.0.19.post1
  - 1.0.19.post2
  - 1.0.2
  - 1.0.3
  - 1.0.4
  - 1.0.5
  - 1.0.6
  - 1.0.7
  - 1.0.8
  - 1.0.9
  - 1.1.0
  - 1.1.1
  - 1.1.2
  - 1.1.3
  - 1.1.4
  - 1.1.4.post1
  - 1.2.0
  - 1.3.0
  - 1.3.1
  - 1.3.2
  - 1.3.3
  - 1.3.4
  - 1.4.0
  - 1.4.1
  - 1.4.2
  - 1.4.3
  - 1.5.0
  - 1.5.0.post1
  - 1.5.0.post2
  - 1.5.1
  - 1.6.0
  - 1.6.1
  - 1.6.2
  - 1.6.3
  - 1.6.4
  - 1.6.5
  - 1.6.6
  - 1.6.7
  - 1.6.8
  - 1.6.9
  - 1.7.0
  - 1.7.1
  - 1.7.2
  - 1.7.3
  - 1.8.0
  - 1.8.0rc0
  - 1.8.0rc1
  - 1.8.0rc2
  - 1.8.0rc3
  - 1.8.0rc4
  - 1.8.0rc5
  - 1.8.0rc6
  - 1.8.1
  - 1.8.2
  - 1.8.3
  - 1.8.3rc0
references:
- type: ADVISORY
  url: https://nvd.nist.gov/vuln/detail/CVE-2026-6597
- type: WEB
  url: https://gist.github.com/chenhouser2025/b93261c6e651f14800a4f2e4365f357b
- type: PACKAGE
  url: https://github.com/langflow-ai/langflow
- type: WEB
  url: https://vuldb.com/submit/791920
- type: WEB
  url: https://vuldb.com/vuln/358232
- type: WEB
  url: https://vuldb.com/vuln/358232/cti
- type: PACKAGE
  url: https://pypi.org/project/langflow
- type: ADVISORY
  url: https://github.com/advisories/GHSA-5jjf-wcvf-923w
severity:
- type: CVSS_V3
  score: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- type: CVSS_V4
  score: 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