HIGHCVSS 8.4Actively exploited · CISA KEV since 2026-07-07Vulnerability

CVE-2026-55255

Langflow contains an authorization bypass through user-controlled key vulnerability which allows an authenticated attacker to execute any flow belonging to another user by specifying the victim's flow ID in the request.

Properties

Vulnerability name
Langflow Authorization Bypass Through User-Controlled Key Vulnerability
Epss score
0.00887
Last seen
2026-10-19T12:00:27+00:00
Due date
2026-07-10
Exploited euvd since
2026-07-07T00:00:00+00:00
Date added
2026-07-07
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Ghsa updated
2026-06-19T21:16:47Z
Score
8.4
Euvd base score version
3.1
Euvd vendor
langflow-ai
In Signal since
initial import (Sep 2026)
Euvd base score
8.4
Is ghsa only
false
Vendor project
Langflow
Content hash
6bbf423623642cb7785f48ca06c9ec323a796ba91f5b88eaeeee3e74779fdef6
Published at
2026-06-23T17:17:08.050
Euvd updated
2026-10-07T18:13:46+00:00
Last modified
2026-10-07T19:17:38.593
Euvd epss pct
0.89

Related Entities (7)

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CVE-2026-55255 (CVSS 8.4) — Ninja Signal Threat Intelligence | Ninja Signal