Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-6596

A security flaw has been discovered in langflow-ai langflow up to 1.1.0. This issue affects the function create_upload_file of the file src/backend/base/Langflow/api/v1/endpoints.py of the component API Endpoint. The manipulation results in unrestricted upload. It is possible to launch the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3d9400d1d1c61d3e1c3e52a88adbf21e4485eb4ce5498bc718d1cef36ce253ce
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 4 assertions

{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/metrics/0/cvssV4_0

{"metric":{"baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/metrics/3/cvssV2_0

{"metric":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/metrics/2/cvssV3_0

{"metric":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/metrics/1/cvssV3_1
cwe · 2 assertions

{"cweId":"CWE-284","description":"Improper Access Controls","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-434","description":"Unrestricted Upload","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:langflow:langflow:*:*:*:*:*:*:*:*"],"modules":["API Endpoint"],"product":"langflow","vendor":"langflow-ai","versions":[{"status":"affected","version":"1.0"},{"status":"affected","version":"1.1.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/affected/0

Provider-owned CVSS observations

4 source assertions
{"metric":{"baseScore":6.9,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/metrics/0/cvssV4_0
{"metric":{"baseScore":7.5,"vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR","version":"2.0"},"metric_type":"cvssV2_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/metrics/3/cvssV2_0
{"metric":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.0"},"metric_type":"cvssV3_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/metrics/2/cvssV3_0
{"metric":{"baseScore":7.3,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-284","description":"Improper Access Controls","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-434","description":"Unrestricted Upload","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/problemTypes/0/descriptions/0

Source references

4 source assertions
{"tags":["exploit"],"url":"https://gist.github.com/chenhouser2025/c2aabfdee41009cfe45d28a9924742a0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/references/3
{"name":"Submit #791919 | Langflow <= 1.1.0 Unrestricted Upload of File with Dangerous Type","tags":["third-party-advisory"],"url":"https://vuldb.com/submit/791919"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/references/2
{"name":"VDB-358231 | langflow-ai langflow API Endpoint endpoints.py create_upload_file unrestricted upload","tags":["vdb-entry","technical-description"],"url":"https://vuldb.com/vuln/358231"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/references/0
{"name":"VDB-358231 | CTI Indicators (IOB, IOC, TTP, IOA)","tags":["signature","permissions-required"],"url":"https://vuldb.com/vuln/358231/cti"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:acc23dadcf53829d2685dfe97e856d3831deeb4f28c6896de4236bdc37817d54 · sha256:9611847ba9a2afd6… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer