KEV Entry

CVE-2026-55255

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2026-55255

2026-07-07 19:00 CEST

Timestamps

2026-07-07

2026-07-07

Scope

Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User's Flow | Affected: Langflow-ai / langflow | CVSS: 8.4 (HIGH) | EPSS: 0.00887 | Used in malware: unknown | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-55255', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-55255'}
  • {'id': 'GHSA-QRPV-Q767-XQQ2', 'url': 'https://github.com/advisories/GHSA-QRPV-Q767-XQQ2'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2026-55255'}

baa4368d-c96b-4ec7-9852-81cc009eefdf

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-07-07T17:00:54.263Z",
  "ahead_of_cisa_kev": null,
  "cve_id": "CVE-2026-55255",
  "cvss_estimated": false,
  "cvss_score": 8.4,
  "cvss_severity": "HIGH",
  "epss_percentile": 0.57803,
  "epss_score": 0.00887,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": "GHSA-QRPV-Q767-XQQ2",
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "langflow",
  "title": "Langflow: IDOR Vulnerability in `/api/v1/responses` Endpoint Allows Authenticated Attackers to Access Another User\u0027s Flow",
  "used_in_malware": "unknown",
  "vendor": "Langflow-ai",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2026-55255"
}
 -
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