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CVE-2026-9198

IBM Langflow OSS 1.0.0 through 1.10.0 allows unauthenticated attackers to chain /api/v1/auto_login (mints SUPERUSER tokens to any network caller) with /api/v1/validate/code (executes user code via exec()) to achieve full RCE on default Langflow deployments
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9aee6ac25b8c3b539a294fddc6a4bb8cc843e3638ecb9fa2dbd134deebc64bf5
Known exploited
CISA KEV
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"cpes":["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:langflow_oss:1.10.0:*:*:*:*:*:*:*"],"product":"Langflow OSS","vendor":"IBM","versions":[{"lessThanOrEqual":"1.10.0","status":"affected","version":"1.0.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:678a8c0de208ba06478f23d508a4021f7ada1a3e55a51368aa0bed6d83648e31 · sha256:ceb4bb184937e5ad… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:678a8c0de208ba06478f23d508a4021f7ada1a3e55a51368aa0bed6d83648e31 · sha256:ceb4bb184937e5ad… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-94","description":"CWE-94 Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:678a8c0de208ba06478f23d508a4021f7ada1a3e55a51368aa0bed6d83648e31 · sha256:ceb4bb184937e5ad… · /containers/cna/problemTypes/0/descriptions/0

Known exploitation assertions

1 source assertion
{"cwes":["CWE-94"],"dateAdded":"2026-08-04","dueDate":"2026-08-07","knownRansomwareCampaignUse":"Unknown","notes":"https://www.ibm.com/support/pages/node/7278927 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-9198","product":"Langflow","requiredAction":"Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:46887ef85291abcd6f12ae723b936a4ec71ba8945842adfb24c6de55d29199ff · sha256:635dff916c4092c0… · /vulnerabilities/2
    Open source location →

Source references

1 source assertion
{"tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7278927"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:678a8c0de208ba06478f23d508a4021f7ada1a3e55a51368aa0bed6d83648e31 · sha256:ceb4bb184937e5ad… · /containers/cna/references/0

Attribution and limitations

  • CISA Known Exploited Vulnerabilities JSON: CISA named for provenance; do not use CISA/DHS marks or imply endorsement Source →
  • 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.

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